ELPA Wireless Chime Push Button Transmitter EWS-P30 1 piece

Catalog number: EWS-P30 Features: ●Can be expanded according to the purpose. ●When it gets dark, the LED lights up to identify the location. ●Rainproof type. Uses: ●For expanding or replacing the wireless chime series. Specifications: ●Width (mm): 40 ●Depth (mm): 19 ●Height (mm): 91 ●Power supply: 2 x CR2032 coin-type lithium batteries (sold separately) ●Battery life: Approximately 2 years (used 10 times a day) *Battery life may be shortened depending on the battery performance and usage conditions. ●Radio wave reach: Line of sight approx. 120m●Frequency: 313.625MHz (specific low power device)●ID code: Approx. 250,000●Operating temperature range: 0℃ to 40℃●External dimensions (approx.): Width 40 x Height 91 x Depth 19 (mm) (maximum value)●Weight: Approx. 38g (excluding batteries)●Waterproof specifications: IPX4 splash-proof Set contents/accessories: ●2 mounting screws, 1 double-sided tape Note: ●When used in buildings using reinforcing bars or steel frames, on different floors, or in places separated by walls, radio waves may not reach the device easily. ●This product cannot be used alone.