ขาย กริ่งประตูไร้สายเซนเซอร์กันขโมยสําหรับออฟฟิศบ้านร้านค้า ราคาที่ดีที่สุด

Package Included: 1*Wireless doorbell host 1*usb line 1*Instruction Specifications: Host parameters LED: 4 red LEDs Alarm sound: 129 decibels Sensing distance: 4-6 meters Music content: 60 songs Volume control: 4 levels adjustable Wireless signal frequency: 433MHZ Key parameters Working temperature: -10°C~50°C Battery: 23A Voltage: 12V IP speed: IP66 Wireless frequency: 433MHZ Wireless distance: ≈100m Description: 1. Voice prompts for visitors at the front desk/store. 2. It can be equipped with multiple wireless buttons to meet the doorbell/distress/call. 3. It can be equipped with multiple outdoor solar alarms for early warning of 100 meters long-distance deployment. 4. Exclusive music setting distinguishes doorbell/distress/call/alarm. 5. Can use AAA 1.2V Ni-MH rechargeable battery or 1.5V dry battery 6. It is safe and convenient to share mobile phone USB power supply. 7. Small size and easy to carry, family hotel room door and window anti-intrusion sound and light alarm. 8. Can be hung and put anywhere, the volume is adjustable Code description 1. Long press the code key> 3 seconds, the product indicator light flashes and the sound beeps once, then press the code key of the signal transmitter (the host indicator light flashes and the sound prompts 2 beeps), the transmitter will be used for code configuration Get as close as possible to the host. 2. When there are many environmental signal interference sources, it will affect the correct code allocation. It is recommended to repeat the code allocation in a place with fewer signal interference sources or until the code is correct. 3. When you need to use one host with multiple signal transmitters, you need to turn them on one by one for one-to-one code matching. 4. If you need to set a transmitter to fix a music, first select the music and volume to be paired and then code.