EU Plug Wireless Doorbell 300M Range Waterproof 433MHz Through Wall Signal Hook

300m open-area range at 433MHz with through-wall signaling and a waterproof design. This doorbell uses a mains-powered receiver (AC 110–240V) and a battery-powered transmitter (pre-installed 12V23A battery; battery not included). The kit includes a plug-in receiver, a battery transmitter, and an EU plug. Receiver size: 75×51×20mm; Transmitter size: 95×65×24mm. Ringtones are available and there is a 3-step volume control (0–85dB), with an eye-catching backlight that flashes when pressed. It is designed to minimize interference from other wireless transmitters and has an estimated service life up to 25 years. Origin: Mainland China.

Key specs

• Operating frequency: 433MHz
• Receiving distance: 300m (open area)
• Receiver size: 75×51×20mm
• Transmitter size: 95×65×24mm
• Voltage (receiver): AC110V–240V
• Transmitter power: dry battery (12V-23A pre-installed, battery not included)
• Package includes: 1× Plug-in receiver, 1× Battery Transmitter, 1× EU Plug
• Waterproof design (as per product title)
• Alarm: Yes; Ringtones and 3-step volume control (0–85dB)
• Interference prevention from other wireless transmitters
• Design life up to 25 years

Benefits

• Long-range alerts across large spaces
• Visual backlight for easier detection
• Multiple ringtones for personalized alerts
• Three volume levels to fit quiet or noisy environments
• EU plug and plug-in receiver for simple setup
• Battery-powered transmitter simplifies placement away from outlets
• Through-wall signaling for flexible installation options

Q&A

1. Q: What frequency does it use? A: 433MHz.
2. Q: How far can it reach? A: Up to 300m in open area.
3. Q: How is power supplied? A: Receiver uses AC 110–240V; transmitter uses a 12V23A battery (pre-installed, battery not included).
4. Q: What’s included in the box? A: 1 plug-in receiver, 1 battery transmitter, 1 EU Plug.
5. Q: Can I hear it quietly? A: Yes, with 3-step volume control (0–85dB) and multiple ringtones.
6. Q: Is there a visual alert? A: Yes, the backlight flashes when pressed.
7. Q: How long will it last? A: Design life up to 25 years.

Hooks

• Reach across your yard with 300m range
• Through-wall signal for flexible placement
• Bright backlight for visual alerts
• Waterproof design for outdoor entryways
• Simple plug-in receiver, battery transmitter combo
• Three volume levels from subtle to loud
• Long design life for lasting use