Wireless Intercom 200m Long-distance Wireless Doorbell Support For Downloading Mp3 Ring Tones Waterproof Button Battery Powered

Features: The buttons and receivers have an elegant shape. The button has a support function for business cards and the surface of the receiver is sprayed, noble and generous. Waterproof button, suitable for indoor / outdoor installation, in addition to an awning, the waterproof function is more excellent. Using digital co-frequency and different code technology, remote control distance of 200 meters long. Stereo surround sound design, built-in 10-chord music, free choice, suitable for different scenes, different styles, highlighting the taste. Built-in USB interface, free to download MP3 songs as ringtones. Specification: Frequency of work: 433MHZ Wireless distance: 200m Supply voltage: 6V Power consumption: 1W Volume: 25-110dB Power supply mode: (not included) Button: 2 pcs No.7 Batteries Receiver: 4 pieces No.3 batteries Package weight: 234g / 8.3oz List of packages: 1 * Wireless doorbell (batteries not included) 1 * Receiver 1 * Double-sided adhesive tape 1 * installation package 1 * User's manual