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Wireless Door Window Vibration Detector External Antenna Shock sensor Work for GSM PSTN SMS Home Burglar Security Alarm
Specifications:
- Type: window vibration sensor
- Place of Origin: Guangdong, China (Mainland)
- Model Number: 455W
- Frequency: 433MHz
- Chip Code: 1527
- Brand Name: ll
- Free shipping
- 100 days returns
- Low prices
- 5 million products