Asahi Electric Wireless Chimney Door Sensor

Manufacturer part number: "EWS-P34" Size and weight Weight: Approx. 22g (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. When the door is opened, a radio wave is transmitted and a chime sounds on the receiver to notify you. Materials and raw materials - standard 1 piece Standard details Power supply: 1 x CR2032 coin-type lithium battery (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 38 x Height 93 x Depth 9 mm (maximum) ○Accessories: Double-sided tape, 1 large, 1 small