Wireless Door Bell Waterproof Self Powered Doorbell Kit with 35 Music -

Feature: 1. Wireless doorbell, adopts self?powered power supply, no battery, and long service life. 2. Flexible pairing, an indoor unit supports up to 40 doorbell buttons, which is easy to use. 3. With a large?capacity music library, 35 music options, 4 levels of volume adjustment (mute, 90dB, 100dB, 110dB). 4. The shell is specially designed for outdoor use, suitable for all weather conditions, and prevents splashing and rain. 5. Transmission distance is about 100m, stable signal reception, suitable for residences, office buildings, apartments, villas, etc. Specification: Item Type: Door Bell Material: ABS Weight: Approx. 135g / 4.8oz Product Size: Approx. 110x55x40mm / 4.3x2.2x1.6inPlug: EU Standard 100V-230V Features: Self-powered power supply, no battery required Transmission Distance: 100m / 328.1ft Music Capacity: Large-capacity music library, 35 music optional Flexible Volume Level: 4 levels of adjustment (mute, 90dB, 100dB, 110dB) Function: Flexible pairing, an indoor unit supports up to 40 doorbell buttons. Package List: 1 x Host1 x Door Bell1 x Sticker1 x Label1 x English Manual Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.