Specifications:

• Doorbell Type: Wireless
• Certification: CE
• Certification: pse
• Certification: RoHS
• Color: Classic white
• Control area: 656ft-984ft (maximum in the open air)
• Hign-concerned Chemical: None
• Model Number: 0256
• Name: PIR sensor doorbell
• Operating frequency: 433MHZ
• Origin: Mainland China
• Power Source: AC
• Receiver Power: 0.25W
• Receiver working voltage: AC 110-240V
• Tunes: 38 options
• Type: Doorbells
• Volume: 4 adjustable levels (20db to 85db)
• Waterproof (Transmitter): IP44