Wireless chime push button transmitter EWS-P30 1 piece

Easy to install as it is a wireless type that does not require wiring! You can add transmitters and receivers according to your needs. (Up to eight transmitters can be registered and used with one receiver.) Any number of receivers can be added to one transmitter. The radio wave has a line-of-sight reach of approximately 120m, making it ideal for paging and alerting in homes, stores, and offices. There are approximately 250,000 different ID codes (identification codes), so there is no need to worry about interference. A weatherproof push button with an LED that lights up when it gets dark, making its location easy to find. *Please avoid installing in locations where it may be exposed to large amounts of water (such as torrential rain or typhoon rain). Power supply: 2 x CR2032 coin-type lithium batteries (sold separately) Battery life: Approximately 2 years (10 uses per day) *Battery life may be shortened depending on battery performance and usage conditions. Radio wave reach: Line of sight approx. 120m Frequency: 313.625MHz (specific low-power device) ID code: Approximately 250,000 combinations Operating temperature range: 0℃ to 40℃ External dimensions (approx.): Width 40 x Height 91 x Depth 19 (mm) (maximum) Weight: Approx. 38g (excluding batteries) Waterproof: IPX4 splash-proof Accessories: 2 mounting screws (Φ3 x 20mm), 1 double-sided tape