Specification:
Item Type: Intercom Door Bell
Power: 0.5W
Channel: A B C 3 Channels
Number of Connection: Up to 3 sets without serial numbers, unlimited connection under the same channel number
Battery: 2 x 2000mAh Rechargeable Lithium Battery (built in, 1 battery per host)
Features:
1LONG CALL DISTANCE: The door bell adopts professional chip, and in flat and open areas, the call distance can be up to 1500M, which is convenient and fast. 2WIDER COVERAGE: The wireless door bell adopts 462MHz radio frequency, with wider signal coverage, good wall penetration performance, and smoother calls. 33 LEVELS VOLUME: The intercom door bell supports 3 levels volume adjustment, with a maximum volume of no less than 112 decibels, can also be heard by the elderly. 4BUILT IN BATTERY: The internal and external machines have built in 2000mAh rechargeable lithium battery, ensuring long endurance, with a USB cable for charging. 5LESS INTERFERENCE: This door bell has 3 separate channels, can easily avoid interference in the wireless frequency band, and internal machine can communicate with each other.
Package List:
1 x Internal Machine
1 x Charging Base
1 x External Machine
1 x External Machine Bracket
1 x USB Cable
1 x Double Sided Tape
1 x Door Bell Sticker
5 x Screws
3 x Expansion Pipes
