Waterproof Wireless Doorbell Outdoor Smart Door Bell

Certification: CE
Origin: CN(Origin)
Connection Type: Wireless
Power: Electric Supply
Item Type: Wireless Doorbell
Product name: wireless doorbell
Item type: doorbell
Receivers Rated voltage: AC 110V 220V 240V
Use of premises: Home office villa hospital school factory
Wireless Distance: (1000ft)300M in Open Air
Features: memory function,Self-learning code function
Ringtone: 55 Melodies (Optional)
Certification: CE, ROHS, FCC, PSE, TELEC
Sound Volume: 5 Levels, 25-100dB, Including Silent Mode