THIRDREALITY PiWMSA2 Extended Compatibility Zigbee Motion Sensor
Available Options
For the smart home enthusiast who wants to automate lighting or monitor activity without false alarms from pets, the THIRDREALITY Zigbee Motion Sensor offers a simple, reliable solution. While many motion sensors focus solely on security, this device excels as a tool for everyday convenience, like turning on lights when you walk into a dark room or creating a welcoming atmosphere for family members.
Set up takes seconds—just say "Alexa, discover devices" with your compatible Echo, and it pairs automatically. The sensor detects motion up to 20 feet away, but its pet-friendly design means it won't trigger from small animals, so you can trust it for routines like illuminating a hallway at night. With two AAA batteries lasting up to two years, you get hassle-free operation. Use the Alexa app to create custom routines, such as having a smart light turn on when motion is detected or sending a personalized message like "Welcome Home." This Zigbee-compatible sensor works with hubs like Home Assistant, SmartThings, and Echo devices with built-in Zigbee hubs, making it a versatile addition to your connected home.
Features
- Zigbee hub required for compatibility with smart home systems
- Pet-friendly motion detection up to 20 feet away
- 2-year battery life with 2 AAA batteries in typical usage
- Easy setup via Alexa voice command for device discovery
- Supports creating custom routines with Alexa app
- Smart light control through automated on/off routines
- Compatible with Apple HomeKit, Google Home, and other platforms via optional bridge
Product details
General specs
- Brand: THIRDREALITY
- Model: 3RMS16BZ
- Color: White
- Location: Indoor
- Connectivity: Zigbee
- Power Source: Battery
- Detection Range: 20
- Smart Platform Compatibility: Amazon Alexa, Google Assistant, SmartThings
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
Available Options
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Standard | Amazon | $19.99 | Available | View |
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Extended Compatibility | Amazon | $37.99 | Available | Current |
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Haozee ZG-PIR White Zigbee hub required for connectivity
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THIRDREALITY 3RSMR01067Z White
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PHOVOLT PH-P01 Black Wi-Fi motion detector without gateway requirement
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Aqara Motion sensor kit- 250827 White 5-year battery life
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AEOTEC GP-AEOMSSUS White
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| Brand | THIRDREALITY | Haozee | THIRDREALITY | PHOVOLT | Aqara | AEOTEC |
| Model | PiWMSA2 | ZG-PIR | 3RSMR01067Z | PH-P01 | Motion sensor kit- 250827 | GP-AEOMSSUS |
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| Price | $37.99 | $17.99 | $29.99 | $39.99 | $49.99 | $48.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | February 2, 2026 | January 16, 2026 | February 2, 2026 | January 21, 2026 | February 2, 2026 | February 2, 2026 |
| Location | Indoor | Indoor | Indoor | Indoor | Indoor | Indoor |
| Sensor Type | PIR (Passive Infrared) | PIR (Passive Infrared) | PIR (Passive Infrared) | PIR (Passive Infrared) | PIR (Passive Infrared) | PIR (Passive Infrared) |
| Connectivity | Zigbee | Zigbee | Zigbee 3.0 | Wi-Fi | Zigbee 3.0 | Zigbee |
| Power Source | Battery | Battery | Battery | Battery | Battery | Battery |
| Detection Range | 20 | 1.5, 9.5 | 8 | 4, 7 | 15 | |
| Smart Platform Compatibility | Amazon Alexa, Home Assistant, SmartThings, Apple HomeKit, Google Assistant | Home Assistant | Amazon Alexa, Apple HomeKit, Google Assistant, SmartThings | Amazon Alexa, Tuya, Smart Life | Amazon Alexa, Apple HomeKit | Amazon Alexa, Google Assistant |
| Mounting Type | Wall Mount | Surface Mount | Wall Mount | Wall Mount | Magnetic Mount | |
| Detection Angle | 105 | 170, 150 | 120 | |||
| Material | Plastic | Plastic | Plastic | |||