Wireless Weatherproof Entry Alert System 433Mhz

Sensor Range: up to 22ft (7m), Wireless range: up to 328ft (100m)

For monitoring a driveway or use as an entrance indicator.
No wiring required between the sensor and speaker; when tripped, the sensor wirelessly transmits to any programmed speaker.
Weatherproof photoelectric beam sensor for outdoor use.
Speaker makes "ding-dong" or siren sound if beam is interrupted.
Speaker volume can be adjusted or turned off.
When in siren mode, sounding time is adjustable from 3~30 seconds.
Connect additional speakers to the sensor wirelessly (one speaker included).
Includes the following:
- Weatherproof wireless reflective sensor (Tx)
- Wireless speaker (Rx)
- Reflector
- Two power adapters
- Three mounting brackets: One each for the sensor, reflector, and speaker