Specifications:

• Waterproof grade: IP44
• Transmitter battery: 12V 23A (not included)
• Receiving distance: 300M Remote (in open area)
• Receiver Power supply: 110V-220V-240V
• Power Source: EU Plug
• Power: Dry battery
• Package contains: 1 transmitter + 1 receiver + 1 English manual
• Itercom: No
• Item Type: Wireless Doorbell
• Frequency: 433mhz
• Feature: None
• Display: None
• Connection Type: Wireless
• Brand Name: jiansu
• Alarm: No