Self-powered wireless doorbell with loud ringing sound; doorbell call function

Operating mode: Self-generated, no batteries required. Transmission distance: Up to 150 meters in open environments. Number of ringtones: 38 available ringtones Volume adjustment: Supports multi-level volume adjustment Material: High-quality ABS plastic Installation method: No drilling required; can be fixed with adhesive or screws. Operating frequency: 433.92MHz Waterproof rating: Designed for indoor use Package contents: Transmitter, receiver, installation accessories, instruction manual Operating frequency: 433.92MHz Pairing method: Learning code pairing, supports one-to-many pairing Volume range: 0-105dB Receiver standby power consumption: 0.25W Transmitter waterproof rating: IP68 Power supply method: Press-to-generate generator Power supply: AC Power supply voltage: 100-240V Ringtones: 38 Power consumption: 0.5W Scope of application: Family factories, hotels, villas, warehouses Type: Wireless doorbell Colors: Black, White Battery required: Self-generating This wireless doorbell uses a press-to-power design, eliminating the need for batteries. Simply press your finger to convert kinetic energy into electrical energy and instantly transmit a wireless signal, completely eliminating the hassle of frequently changing batteries. The transmitter is IP68 waterproof, making it resistant to wind and rain, and can be used normally even when submerged in water. The signal transmission is stable, and the transmission distance can reach 180 meters in open and interference-free environments, ensuring that the ringtone can be clearly heard in various indoor locations such as bedrooms and kitchens. Optimized to effectively avoid signal crosstalk, and with a light, easy-to-press feel. Please note that the doorbell button should not be installed on iron gates to prevent signal interference. The doorbell offers 38 pleasant chord ringtones that can be freely switched, and features 3-level volume adjustment and a mute function. The volume is loud without distortion, and the rear acoustic chamber design optimizes sound quality, providing clear and noise-free audio. The system supports power-off memory, eliminating the need for resetting after power-on. The product is made of safe and environmentally friendly ABS material, which is non-toxic and harmless.

Product Features:
The doorbell button uses a press-to-generate technology. Pressing the button with your finger converts kinetic energy into electrical energy to send a signal. No batteries are required, making it green, environmentally friendly, and durable.
In open environments, the signal transmission distance can reach 180 meters, with strong wall penetration capabilities, ensuring stable reception in large spaces such as villas, warehouses, and multi-story residences, with clear and uninterrupted ringtones.
It features 38 built-in pleasant chord ringtones, supports 3-level volume adjustment and a mute mode. The sound quality is clear and full, and the rear sound chamber design optimizes sound effects to meet the needs of different scenarios.
The transmitter is IP68 waterproof, making it resistant to rain immersion and suitable for installation in semi-outdoor environments such as front doors and yards. Its drill-free installation design offers greater flexibility.
The receiver supports learning code pairing and can be used to connect multiple receivers. It also features a power-off memory function, eliminating the need for resetting after power is restored, making it convenient and worry-free to use.