ELPA Wireless Chime Set with Lamp EWS-S5230 1 piece

Catalog number: EWS-S5230 Features: ●Up to 8 transmitters can be set. ●20 types of chime sounds. Applications: ●For notifying visitors to offices and stores. Specifications: Power supply: Receiver with lamp 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) Push button transmitter 2 coin type lithium batteries CR2032 (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): 40 x 19 x 91 Type: Lamp receiver Power supply (V): Receiver with lamp 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) Push button transmitter 2 coin type lithium batteries CR2032 (sold separately) Power supply (V): Receiver with lamp 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) Push button transmitter Coin type lithium battery CR2032 × 2 (sold separately) ● Battery life: Receiver with lamp Approximately 1 year (used 10 times a day, volume 4, ping pong high tone, sound only) * When using alkaline batteries Push button transmitter Approximately 2 years (used 10 times a day) ● Volume (cm): Approximately 88dB / 50 ● Radio wave reach (m): Line of sight Approximately 120 ● Frequency: 313.625MHz (specific low power device) ● ID code: Approximately 250,000 ways ● Operating temperature range: 0 ℃ to 40 ℃ ● Waterproof specification: IPX4 splash-proof (push button transmitter) Set contents / accessories: ● Receiver 1 piece, transmitter 1 piece ● Mounting screws 4 pieces (Φ3 × 20mm), double-sided tape 1 piece, transmission location sticker 1 piece 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.