Specifications:

• Battery mode: 23A12V alkaline battery(not include battery)
• Brand Name: CACAZI
• Certificate: CE,FCC,Rohs
• DIY Supplies: Electrical
• Doorbell Type: wireless
• Frequency: 433MHz
• Model Number: A50
• Plug type: US/EU/UK Plug AU adapter
• Power Source: AC
• Power Source: Battery
• Power supply: 110V-220V
• Receiver ringtone function: Power failure memory function
• Receiving distance: 300M Remote (in open area)
• Type: Doorbells
• Waterproof grade: IP44