Asahi Electric Wireless Chime Push Button

Manufacturer model number: "EWS-P30" Size and weight Weight: Approx. 38g (excluding batteries) comment ○ 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 range of approximately 120m. It is ideal for calling and reporting in homes, shops and offices. ○There are approximately 250,000 possible ID codes (identification codes), so there is no need to worry about interference. ○The LED lights up when it gets dark, making it easy to find the button's location. *Please avoid installing the button in a location that is directly exposed to large amounts of water (such as heavy rain or typhoon rain). Materials and raw materials - Standard details 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) Waterproof: IPX4 splash-proof Accessories: 2 mounting screws (Φ3 x 20mm), 1 double-sided tape