Vender * Wireless Doorbell Smart Remote Control Doorbell Long Distance Four-level volume adjustment Multiple polyphonic music gjfdguj al mejor precio

Package Included: Package list: Indoor receiver*1,Outdoor transmitter*1,English user manual*1,Double-sided adhesive tape*1 Specifications: Product Details: Size as below Working Frequency: 443MHz Transmitter needs battery Receiver uses AC power Transmitter Power Consumption: ≤10mw Receiver Working Voltage: AC(110-220)V/(50-60)Hz Sound Volume Range: 25-85dB Material: ABS Net Weight: 138g Transmitter size: 70mmx31mmx21mm Receiver size: 90mmx69mmx60mm Description: The wireless doorbell smart remote doorbell has a long distance and strong sound penetration. Features: 1.Easy To Install: Using 3M Sticker or screws, easy to install anywhere you want. 2.Easy to Pair and connect: PAIRS & CONNECTS easily, just single press, synchronize and pair. 2. Multiple polyphonic music: 58 polyphonic music is built in the product, you can choose the ringtone you like according to your personal preference. Four-level volume adjustment, you can adjust the volume according to the use environment. 3.Strong Signals for a wide range coverage: This doorbell can extend over 500 feet / 150 meters in open areas and has been proven to work THROUGH DOORS & WALLS. Wireless doorbell can be applied to apartment, villa,shop, hotel,home, office building, meeting room etc. Notes: Precautions: 1. The transmitter cannot be installed on a metal door, which will weaken the signal distance. 2. Keep the receiver away from electrical appliances with large electromagnetic radiation (TV, computer, audio, etc.) as far as possible. 3. The actual receiving distance of the signal depends on the use environment factors, interference will have an impact. How to code: 1. Long press the music switch key for more than 5 seconds, and enter the learning code state after two beeps; 2. Long press t