Specifications:

• Working voltage: AC 100-230V
• Wireless frequency: 433 MHz
• Wireless distance: 150 meters
• Waterproof Doorbell: IP68 Waterproof Level
• Transmitter size: L80 * W50 * H28mm
• Transmitter: no battery required
• Strong Signal: 150m Long Wireless Distance
• Ringer volume: > 50db / 1m
• Receiver size: L95 * W54 * H68mm
• Power Type: Self-Powered
• Power consumption: 0.25w
• Plug Type: US/EU
• Outdoor wireless doorbell: Wireless connections
• Origin: CN(Origin)
• Item Type: Self-Powered Wireless Doorbell
• Connection Type: Wireless
• Certification: NONE