Specifications:

• Power: Dry battery
• Itercom: No
• Item Type: Wireless Doorbell
• function 7: 8 chord music chips
• function 6: 5 kinds of national language
• function 5: induction door bell
• function 4: sensor infrared detector
• function 3: shop entry motion
• function 2: doorbell PIR store
• function 1: wireless welcome alarm
• Feature: None
• Display: None
• Connection Type: Wireless
• Brand Name: powstro
• Alarm: Yes