| PST-H502 Specifications | |
| Name | Tuya Smart WiFi GSM Home Alarm System Big Kit |
| Model | PST-H502 |
| APP Name | Tuya Smart or Smart Life |
| Display Size | 4.3 inch touch screen LCD |
| Power Supply | Type C DC5V 1A |
| Sound level | 100dB |
| Backup Battery | Lithium battery 3.7V 1200mA |
| WiFi Standards | IEEE 802.11 b/n/g 2.4G Hz |
| 2G GSM frequesncy | 850/900/1800/1900MHz |
| Wireless frequency | 433MHz |
| Wireless transmission range | 100meters(Open area) |
| Support Wireless Detector ,RFID tags & Remote | Up to 200 Deterctors+Remote Control, Doorbell(up to 6) |
| Alarm Call number No. or SMS number No. | 5 groups |
| Two-way audio | GSM support |
| Support Voice Control | Work with Amazon Alexa/Google Assistance |
| Timing Control | Arm/Home Arm/Disarm |
| Language | English/Nederlands/Spanish/Russian/French/Polish/German/Italian/Portuguese /Chinese |
| Material | ABS |
| Color | Black |
| Operation Temp. | –10°C to +50°C |
| Humidity | 5%--95% non-condensing |
| Installation | Wall-mounted |
| Product Size | 120*98*12MM |
| Dimension | 21.5*16.5*7.5cm |
| Weight | 0.92kg |
| Carton Packing | 20PCS per ctn: 19.2kg. 45*41*36cm |
| PST-H502 Package List | |
| WiFi GSM alarm | x1 |
| PIR Sensor | x1 |
| Door Sensor | x4 |
| Remote Controller | x2 |
| Chime Bell | x1 |
| Wired Mini Siren | x1 |
| Adapter | x1 |
| PST-H502 Product FAQ | |
| Basic Information & Compatibility | |
| 1. Q: What is this product? | |
| A: It’s a Tuya - powered smart WiFi home alarm system. It monitors your home security, supports arming modes (Away Arm, Home Arm), and connects to TuyaSmart/SmartLife APPs for remote control. | |
| 2. Q: Which APPs does it work with? | |
| A: It’s compatible with TuyaSmart and SmartLife APPs. You can download either from App Store (iOS) or Google Play (Android). | |
| 3. Q: What WiFi frequency does it need? | |
| A: It requires a 2.4G Hz WiFi network. 5G Hz WiFi is not supported for direct connection. | |
| 4. Q: Can it work without WiFi? | |
| A: Basic local arm/disarm (via panel/remotes) works, but remote control (APP) and notifications need WiFi. | |
| 5. Q: Does it support voice control? | |
| A: If paired with Tuya - compatible voice assistants (like Alexa/Google Assistant, via Tuya Smart ecosystem), yes. Set up in APP’s “Voice Control” or “Smart Scene” section. | |
| Setup & Connection | |
| 1. Q: How to connect to WiFi? | |
| A: Open TuyaSmart/SmartLife APP → Add Device → Select “Security Alarm” category → Follow prompts (ensure 2.4G WiFi, enter password). The panel’s screen may show connection status. | |
| 2. Q: Can’t find the device in APP. What to do? | |
| A: Check WiFi (2.4G only), restart the alarm panel (unplug - replug power), and ensure Bluetooth is on (for initial pairing). Retry device discovery. | |
| 3. Q: How to add extra sensors (e.g., door sensors)? | |
| A: In TuyaSmart/SmartLife APP → Select the alarm system → Go to “Device Settings” → “Add Sensor” → Follow pairing steps (put sensor in pairing mode if needed). | |
| 4. Q: Is professional installation required? | |
| A: No. Most components (sensors, panel) use adhesive mounts. Follow the user manual for DIY setup. | |
| 5. Q: Can multiple phones control the system? | |
| A: Yes. Share device access in the APP: Go to device → “Share” → Enter family members’ Tuya account emails/phone numbers. | |
| Arming & Disarming | |
| 1. Q: What’s “Away Arm” mode? | |
| A: Activates all sensors (door, motion, etc.). Use when no one is home. Triggers alarm if sensors detect unauthorized access. | |
| 2. Q: What’s “Home Arm” mode? | |
| A: Activates perimeter sensors (e.g., door/window) but disables motion sensors (ideal for when you’re home, like sleeping—avoids false alarms from movement inside). | |
| 3. Q: How to arm/disarm via the panel? | |
| A: Tap “Away Arm,” “Home Arm,” or “Disarm” on the touchscreen. Confirm with PIN (if set) for security. | |
| 4. Q: Can I arm/disarm remotely? | |
| A: Yes, via TuyaSmart/SmartLife APP. Tap the corresponding arm/disarm button in the APP interface. | |
| 5. Q: What’s the “Disarm” delay? | |
| A: Some systems let you set a delay (e.g., 10 - 30 seconds) to disarm after entering home (prevents immediate alarm if you forget to disarm). Set in APP/panel “Settings.” | |
| Alarms & Notifications | |
| 1. Q: What triggers the alarm? | |
| A: Alarm triggers include: door/window opening (when armed), motion detection (Away Arm), SOS button press, or sensor malfunctions (e.g., low battery). | |
| 2. Q: How loud is the siren? | |
| A: Siren volume is usually 80 - 110 dB (varies by model). Loud enough to deter intruders and alert neighbors. | |
| 3. Q: Do I get phone notifications when alarm triggers? | |
| A: Yes. Enable notifications in TuyaSmart/SmartLife APP. You’ll get alerts for alarms, sensor activity, or system issues (e.g., offline status). | |
| 4. Q: Can I customize alarm sounds? | |
| A: Some models support choosing siren tones or adjusting volume in the panel/APP settings. Check your device’s “Alarm Sound” options. | |
| 5. Q: How to stop a false alarm? | |
| A: Disarm the system via panel, remote, or APP immediately. Then check the triggering sensor (e.g., re - close a door, reset motion detector). | |
| Sensors & Components | |
| 1. Q: How do door/window sensors work? | |
| A: They use magnetic contacts. When the door/window opens, the magnet separates from the sensor, triggering an alert (if armed). | |
| 2. Q: What’s the motion detector’s range? | |
| A: Typical range is 8 - 12 meters (varies by model). It detects movement within its field of view. Adjust sensitivity in APP/panel if needed. | |
| 3. Q: Do sensors need batteries? | |
| A: Yes. Most sensors (door, motion) use replaceable batteries (e.g., CR2032, AA). The APP/panel notifies of low battery. | |
| 4. Q: How long do sensor batteries last? | |
| A: Usually 6–12 months, depending on usage (e.g., frequent door openings drain batteries faster). | |
| 5. Q: What’s the red SOS button for? | |
| A: Pressing it triggers an immediate, loud alarm and sends emergency notifications to your phone (via APP). Use for urgent situations (e.g., break - ins, medical emergencies). | |
| Troubleshooting & Maintenance | |
| 1. Q: Sensors not responding? | |
| A: Check battery levels, re - pair sensors (in APP “Device Settings”), and ensure no physical obstructions (e.g., dust on motion detectors). | |
| 2. Q: Alarm panel offline? | |
| A: Check WiFi connection (router status, 2.4G signal), restart the panel (unplug power), and re - connect in APP. | |
| 3. Q: False motion alarms? | |
| A: Reduce motion detector sensitivity (in APP/panel), ensure pets (if small) don’t trigger it, or reposition the sensor to avoid non - human movement. | |
| 4. Q: How to factory reset the system? | |
| A: Find “Factory Reset” in panel settings (usually via “Menu” → “System” → “Reset”) or follow manual steps. Note: This erases all settings—re - pair devices afterward. | |
| 5. Q: Can I use the system overseas? | |
| A: Yes, as long as there’s 2.4G WiFi and TuyaSmart/SmartLife APP support in your region. Check local regulations for alarm systems if needed. | |
| Can make OEM? A: Yes, we can. PID OEM:500PCS Box & manual OEM: 1000PCS, if only 500PCS extra charge 0.5USD/PCS; Laser logo/display interface logo change: 100PCS |
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