Wireless Digital Doorbell 1 Outdoor Transmitter 1 Indoor Receiver Door Bell White

Description: As an intelligent doorbell different from traditional wireless doorbell, this product, with simple operation, convenient use and stable signal transmission, applies to apartment, villa, unit family, hospital and other occasions. Features: Full digital frequency modulation technology, never code stringing. Simple appearance design, elegant and unique. Ultra low power consumption design, power saving and lasting. Ultra long distance control, stable signal. Indoor ringtones volume is adjustable. 28 chord ringtones for option. Waterproof grade is IP55, which can resist rain. Specifications: Transmission distance: 300m 984ft Operating frequency: 4 33.92MHz + 200KHz Power: 0.1W Volume: 25 110dB Color: Black, White (Optional) Plug type: US, UK, EU, AU (Optional) Package weight: Approx. 256g Indoor receiver Voltage range: AC 110V 220V Operating temperature: 10 55 celsius Size: Approx. 92 * 60* 32mm 3.62 * 2.36 * 1.30inch Outdoor transmitter: Voltage range: DC12V 23A Alkaline batteries * 1 (Built in) Operating temperature: 20 65 celsius Size: Approx. 75 * 43 * 17mm 2.95 * 1.69 * 0.67inch Package List: 1 x Indoor receiver 1 x Outdoor transmitter 1 x User manual 1 x Some screw accessories 1 x Double sided adhesive tape