Key Features

• IP65 Weatherproof Rating: Fully protected against rain, dust, and extreme temperatures (-10 C to 55 C), making it ideal for outdoor use.
• Enhanced Signal Penetration: 433MHz high-frequency transmission delivers a strong, stable signal that easily penetrates walls and obstacles, with a 300-meter open-space range. No wireless interference issues.
• Customizable Alerts: 38 selectable ringtones and 5 volume levels to suit different occasions and room classification needs.
• Practical Design:Fluorescent Lamp Circle: Glows in the dark for easy visitor use at night. Power-Off Memory: Retains settings after power loss, with anti-disassembly alarm for added security. Ultra-Long Battery Life: Battery-powered transmitter with 3.7V/500mAh lithium battery, paired with a 110/220VAC plug-in receiver.
• Easy Installation: No wiring required-simply use the 3M sticker to mount the transmitter, and plug the receiver into any power socket (upgraded design won't block adjacent sockets).
• Low Power Consumption: Working current <100mA for energy efficiency.

What's in the box
1 x Doorbell
1 x Install stickers
1 x Instructions for use