**Product Specifications:**
**Brand:** linptech
**Product Name:** Self-powered Wireless Doorbell
**Features:**
- No battery or wiring required
- Power-generating button for pressing
- Memory function for power outages
- Smartphone app for viewing records
- Compatible with Mi Home and other smart devices
- 36 ringtone options
- Remote control and linkage reminders
- Waterproof for outdoor use
- 2-year warranty
**Additional Information:**
- Each set includes 1 transmitter and 1 receiver
- Option to purchase additional receivers or transmitters separately
- Can choose from one-to-two or one-to-three package options
**Materials:**
- Polycarbonate body with matte finish
- 3M adhesive for easy installation
**Package Contents:**
- 1 Self-powered Wireless Doorbell Set
- Instruction manual
- Mounting backplate
**Specifications:**
- Transmitter Power: Self-powered
- Transmitter Power Output: 10dBm
- Receiver Power Input: 110-240V~, 50/60Hz
- Wireless Connection: 433MHz RF
**Dimensions:**
- Transmitter: Φ67*19mm, 43g
- Receiver: Φ68*31mm, 74g
**Range:**
- Outdoor Range: Approximately 50 meters
**Compatibility:**
- Mi Home App and Xiao Ai voice assistant integration
**Support:**
- Remote control and linkage with other smart devices
**Warranty:** 2 years
**Customer Service:**
- Online support available from 9:00-23:00
- Phone support: 400-610-1360 ext. 394696 (9:00-23:00)
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