ขาย กริ่งประตูไร้สายกันน้ำ มี 36 เพลง + ปุ่มกด CFky ราคาที่ดีที่สุด

Features: Wireless design, Max. operating range up to 280 meter in open area Click Button Transmitter design, lifespan up to 100,000 Clicks 1 million sets of auto-learning codes to avoid interference between doorbells Transmitter/Bell Push is with IP44 waterproof, and with Flat Panel design, dust-proof, clean and convenient for using Energy saving, plug-in Receiver working power consumption is less than 5W Music and volume are adjustable, comes with 32 chimes, 36 Polyphonic melodies Suitable for villas, apartments, office, hotel, hospital and etc. Specification: Material: ABS Color: White, Black Working Frequency: 315MHz±0.5MHz Power Consumption: ≤200uA Power Supply (Transmitter): 12V 23A Power Supply (Receiver): AC 110/220V Dominant Wave: ≤-57dbm Transmission Power: ＜10mW Working Range: ≤280M Volume: 25-85dB Plug Standard: US plug Included: 1 x Doorbell Transmitter (Without Original Packaging ) 1 x Doorbell Receiver 1 x Double-sided Adhesive 1 x Screw Set