Sensor Doorbell

1. Very suitable for home, offices, hotels, jewelry stores, etc. 2. Wireless installation, just place the sensor at the entrance 3. Easy to install 4. Unique appearance design evokes beauty 5. Good quality and long service life

1. Adopt digital technology, emitter and receiver to not interfered by environment 2. Use super high-frequency wireless transmit signal mode,need not contact by wire,easy to use 3. Detector use advanced infrared detecting technology,working underall...

Features1. Adopt advanced infrared detect technology. 2. No wiring design makes it simple to use and easy to install. 3. Up to 100m Wireless working distance in open area, 10m for indoor use. 4. Wireless installation, just place the sensor at the...