ขาย □❂△โค้ด GIFT30 ลด 30% กริ่งประตูแบบไร้สายมีไฟ LED 38 เสียง ราคาที่ดีที่สุด

Specification: Description: Type: Doorbells DIY Supplies: Electrical Doorbell Type: Wireless Power Source: AC,Battery Model Number: A10BB Power supply: 110V-220V-240V working frequency: 433MHZ Ring Tone: 38 ring tones Volume:3 files(can be mute) 0-85db Certificate: CE,FCC,Rohs Waterproof : yes Power Source: Plug US Color: Black Battery mode: 12v 23A battery (not include battery) Receiving distance: 300M Remote (in open area) Use of premises: Home office villa hospital school factory Highlights: 1.Touch the button configuration, superheterodyne learning code on the code mode 2.The transmitter without screw chuck design to achieve waterproof and dustproof 3.Double-sided stability of the PCB, the chip standby sleep up to micro-level 4.The transmitter 12V23A battery factory pre-installed (not include battery) 5.The use of microprocessor control, double-sided PCB micro-power design 6.Using the same doorbell within a range will not interfere with each other! Using wireless high-frequency transmission technology, the same frequency and different codes, effectively avoiding the interference between neighbors and the trouble caused by errors 7.Smart flash receiver Packing List： 1*Outdoor Transmitter 1*Indoor Receiver