ELPA Wireless Chime Waterproof Push Button Set EWS-S5032 1 piece

Catalog number: EWS-S5032 Features: ●Up to 8 transmitters can be set. ●20 types of chime sounds. ●The push button is waterproof so it can be used around water. Applications: ●For notifying visitors to offices and stores. Specifications: ● Power supply: Receiver 3 AA batteries (sold separately) or DC4.5V center plus compatible plug: outer diameter Φ5.5mm inner diameter Φ2.1mm (when using AC adapter sold separately) Waterproof push button transmitter 2 AAA batteries (sold separately) ● Volume (dB): 88 ● Detection distance (m): 120 ● Receiver width x depth x height (mm): 142 x 29 x 80 ● Transmitter width x depth x height (mm): 80 x 80 x 37 ● Type: Waterproof push button ● Transmitter diameter x height (mm): 80 x 37 ● Power supply (V): Receiver 3 AA batteries (sold separately) or DC4.5V center plus compatible plug: outer diameter Φ5.5mm inner diameter Φ2.1mm (when using AC adapter sold separately) Waterproof push button transmitter 2 AAA batteries (sold separately) ● Power supply (V): Receiver 3 AA batteries (sold separately) Or DC4.5V center plus compatible plug: outer diameter Φ5.5mm inner diameter Φ2.1mm (when using an optional AC adapter) Waterproof push button transmitter 2 AAA batteries (sold separately) ● Battery life: Receiver approx. 1 year (used 10 times a day, volume 4, ping pong high tone, sound only) * When using alkaline batteries Push button transmitter approx. 2 years (used 10 times a day) ● Volume (cm): approx. 88dB/50 ● Radio wave reach (m): line of sight approx. 120 ● Frequency: 313.625MHz (specific low power device) ● ID code: approx. 250,000 types ● Operating temperature range: 0℃ to 40℃ ● Waterproof specifications: IPX7 water resistant (waterproof push button transmitter) Set contents / accessories: ● 1 receiver, 1 transmitter ● 4 mounting screws (Φ3 x 20mm), 1 double-sided tape Caution: ● Radio waves may not reach the device easily if used in a building made of reinforced concrete or steel frames, on a different floor, or separated by a wall.