ELPA Wireless Chime Human Sensor Transmitter Set, Security, No Wiring Required EWS-S5033

●Wireless type that does not require wiring, so installation is easy!
Transmitters and receivers can be added according to the application (up to 8 transmitters can be registered and used for one receiver)
●An unlimited number of receivers can be added to one transmitter. ●The range of radio waves is approximately 120m in line of sight. Ideal for calling and announcing in general homes, stores, and offices ●There are approximately 250,000 ID codes (identification codes), so there is no need to worry about interference. ●A lamp will notify you when it is time to replace the receiver and transmitter batteries. ●20 types of notification sounds that can be set according to your preference. Different sounds can be set for each transmitter, so transmitters can be identified by sound. ●When a person passes through the detection area of ​​the sensor, a radio wave is transmitted and the receiver chimes to notify you.
●Volume: Approx. 88dB/50cm
●Frequency: 313.625MHz (Specified low power equipment)
●Operating temperature range: 0℃~40℃