Conwe SMATRUL Autonomous Waterproof Wireless Doorbell with Night Light: No battery needed, powered by kinetic energy
This smart doorbell is for the busy homeowner who wants a reliable notification system without the hassle of batteries. It's perfect for monitoring deliveries or knowing when family arrives, especially in a household with kids coming home from school.
Instead of just a security device, think of it as your home's gentle announcer. The kinetic energy button generates power with each press, so you never worry about dead batteries. You'll hear the clear chime from across the house, even over background noise, ensuring you never miss a visitor.
With two-way pairing, you can connect multiple buttons to one receiver or vice versa, making it flexible for apartments or large homes. The waterproof design and encrypted connection provide durability and privacy. Use the EU or US plug for easy setup, and enjoy peace of mind with a simple, effective solution.
Features
- Waterproof rating up to IP55
- Signal reception distance up to 492 feet in open area
- 58 ringtones with memory function
- Plug options for EU or US standards
- Operating temperature range from -40°F to 140°F
- No battery needed, powered by kinetic energy
General specs
- Brand: Conwe
- Model: SMATRUL
- Seller: Joom
- ID: 64f2d7408d2a857d7ac4c3b8
- Shape: Round
- Weight: 200
- Voltage: 220, 240
- Material: Plastic
- Pack Size: 1
- Dimensions: 100, 100, 30
- Illuminated: Yes
- Connectivity: Wi-Fi
- Power Source: Hardwired
- Operation Mode: Wireless
- Wireless Range: 30
- Mounting Method: Adhesive, Screws
- OS Compatibility: Android, iOS
- Water Resistance: Yes
- Batteries Required: No
- First listed by seller: 12/10/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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SURFOU M9 White 1300-foot long range
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| Brand | Conwe | SURFOU | SECRUI | SURFOU | SECRUI | JSIEEM |
| Model | SMATRUL | M9 | M520+F55 | N128 | M520+F55 | doorbell-push-buttons |
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| Price | $55.55 | $33.99 | $17.99 | $21.99 | $17.99 | $17.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 16, 2026 | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 |
| Material | Plastic | Plastic | ABS | Plastic | Plastic | Plastic |
| Dimensions | 100, 100, 30 | <num_width>, <num_height>, <num_z> | 5.08, 5.08, 5.08 | 91.44, 68.58, 68.58 | ||
| Illuminated | Yes | Yes | Yes | |||
| Power Source | Hardwired | Battery | Battery, AC | Battery | ||
| Operation Mode | Wireless | Wireless | Wireless | Wireless | ||
| Wireless Range | 30 | 304.8 | 400 | 305 | 304.8 | |
| Mounting Method | Adhesive, Screws | Adhesive, Screws | Screws | |||
| Water Resistance | Yes | Yes | IP55 | Yes | ||
| Batteries Required | No | Yes | Yes | Yes | Yes | |
