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            **Specifications:**
Brand: Gangqi
Product Name: Wireless Doorbell
Models: M3, M3 (Battery version), M2 (White), M3 (Black), GQ02
Suitable for: Home, Shop
Power Supply: Battery, Self-powered
Features: Motion sensor, Wireless, Welcome doorbell
Installation: Screw/Double-sided adhesive
Replacement Period: New and old models randomly shipped
New Models: M1, A601, G11
Old Model: GQ-M3
Signal Strength: Strong signal for wall penetration
Volume Levels: 4 levels, suitable for different environments
Rainproof Design: Suitable for outdoor use
Ringtone Options: 38 melodies available
Power Consumption: Low power consumption, battery lasts up to 1 year
Easy Installation: Button transmitter installed on wall, plug-in receiver
Technical Parameters:
- Receiver Power Supply: AC220V
- Transmitter Power Supply: 3V CR2032 battery
- Power Consumption: <0.5W (standby)
- Music Configuration: 38 chord melodies
- Transmission Range: Approximately 280 meters
- Button Type: Touch-sensitive
Dimensions:
- Receiver: 110mm x 86mm
- Transmitter: 60mm x 31.5mm
- Packaging: Wireless doorbell main unit/speaker x 1, Button x 1, User manual, Screws, Double-sided adhesive
**Note:** Installation position should avoid metal obstacles and be close to the wall surface.
 
                        
                     
                        
                     
                        
                     
                        
                     
                        
                     
                        
                     
                        
                     
                        
                    