Customer Review : Many buyers Highly Recommend -------------------------------------------------------------------------------------------------------------------------------------
Features:
Plug-in， wire free， dustproof and more easy to clean.
Operating range of over 500 feet (900 feet in open area). Remote transmitter button is rated IP44 waterproof and acceptable for outdoor use.
36 ring tones. 4 levels of adjustable volume from 25db to 85db.
High-class material， low power consumption design， no radiation and non-toxic， environmental protection.
Includes 1 receiver unit and 1 remote transmitter， double sided sticker， screws.
Specifications:
Frequency: 315MHz ± 0.5MHz
Active pressure wave (receiver): ≤-57dbm
Negative pressure wave (transmitter): ≤-36dbm
Working power consumption: ≤ 5W
Operating range: 280 METERS (OPEN AREA)
Sound options: 32 chimes， 36 Polyphonic melodies
Volume range: 25db - 85db
Power supply (receiver): AC 220V
Power supply (transmitter): 1 x 12V 23A battery (not included)
Receiver size: 76 x 80 x 24mm
Tansmitter size: 47 x 78 x 19.5mm
Package Contents:
1 X Wireless Doorbell
1 X Push Button
Wish You Have A Great Shopping Experience Here.
Delivery Time: * We Deliver Goods By Qxpress， Please Note That Delivery Time Is 5 To 10 Working Days. Working Days DO NOT Include Saturdays， Sundays And Public Holidays.
7 Days Money Back Guarantee! I'M Confident That I'M Offering You A Quality Product So I'Ve Got A 7 Days Satisfaction Guarantee.
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