Seco E-931CS22RFCQ Wireless Entry Alert System, 433MHz Speaker and Sensor

• 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 (IP55) IR 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)