LED Wireless Chime Door Bell&Wireles Remote Control Suite

Description:No wiring, easy installationCrystal vibrating doorbell: the remote control distance up to 100M, crystal vibrating doorbell, close range, similar products in close range is likely to appear cross-talk.Please try to avoid using in the same building on the same floorDigital doorbell: remote control distance up to 100M, a range of the use of the same digital doorbell, will not interfere with each other!Using wireless high frequency transmission technology, innovative same frequency different code and dial code function, bit error rate is only one in 200000, effectively avoiding the neighbors' mutual interference and the trouble caused by the wrong sound.Dc and AC: dc current direction and current size remain unchanged, while ac current direction and current size change with time. Household is AC, battery is DC, this set of doorbell transmitter is equipped with 12V23A small battery, and the receiver is divided into two types: battery and plug in.Please choose according to your needs.32 ringtones are optionalwireless doorbell DIY strong, can match one, one match two, two match two, more match more, can be downstairs, upstairs also have;In the living room, in the back room as well, the bell would not be heard when the door was closed, and any chance of greeting would not be missed.Specifications:Transmitter: 23A 12V, battery life for one year (calculated by 20 times/day) inclusionsReceiver: 2*1.5V (2 units of 5 batteries) to be supplied by buyerUsage: After installing the battery, if you want to choose the ringtone, please press the tone selection button on the receiver and change a ringtone each time.Installation use:  To install the battery, you need to pry open the back cover with a screwdriver.With double - sided adhesive, can be directly glued on the security door.Screw holes are reserved for the back cover, which can be fixed on the wall.

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