Specifications:

• Wireless Distance: 150M Remote (in open area)
• Waterproof: IP55
• Use of premises: Home office villa hospital school factory
• Receivers Rated voltage: AC 110V 220V
• Receiver plug: a plug-line bid
• Power Source: us plug
• Power: Dry battery
• Operating temperature: 10°C-50°C
• Operating frequency: 433MHz
• Item Type: Wireless Doorbell
• Item: Doorbell
• Brand Name: Joyzon