New arrival 1000ft long working range smart wireless doorbell

• Type: Doorbells
• Place of Origin:
• Guangdong, China (Mainland)
• Power Source: Plug
• Doorbell Type: Wireless
• Working range: 1000ft Range
• Ring: 52melodies
• Color: White, Black
• Volume: 0-120Db (5 levels)
• Frequency: 433.92MHz
• Waterproof IP: 44
• Working voltage: 110V-220V
• Transmitting power: ≤10mw
• Battery for push button (transmitter):
• 23A*1pcs (included)