Description

Features: 1. Easily select volume and music, smart design 2. Self-learning code function:choose your favorite music. 3. Compatible with 12V23A alkaline battery(NOT include battery) 4. Receiving distance: 300 M (in open area) 5. Volume: 3 files(can be mute) 0-110db, ringtones: 60 pcs 6. Transmitter size:75X51X20MM. 7.Receiver size:95X65X24MM. 8. Receivers Rated voltage : AC 110V-220V -240V. 9.Working frequency: 433MHZ,can be customized other frequencie. 10.The use of microprocessor control, double-sided PCB micro-power design. 11.Buttons can set different music for distinguishing front and rear doors 12.Friends, our button waterproof rating is IP44, the general use is no problem, but heavy rain may affect the life expectancy, we recommend the purchase of waterproof cover, so use longer .