Specifications:

• Connection Type: wireless
• Smart home platform: Other
• Certification: CE
• Origin: CN(Origin)
• working frequency: 433MHz & 2.4G Wifi
• Waterproof: yes
• Use of premises: Home/office/villa/hospital/school/factory
• Receiving distance: 300M Remote (in open area)
• Power: Electric Supply
• Itercom: No
• Item Type: Wireless Doorbell
• Feature: None
• Feature 3: Support sound alarm light alarm
• Feature 2: Support 433MHz wireless detectors
• Feature 1: Support volume adjustment
• Display: None
• Brand Name: Earykong
• Battery for Transmitter: CR2032 battery (Not include)
• Alarm: Yes
• AC for Receiver: 110V-220V-240V
• Ring tone: A10(36 ring tones) A20 (38 ring tones)