Upgrade your home or hotel with the R16 1 For 1 Smart Wireless Self-Powered Doorbell. Here's why it's the best choice for you:

• IP68 waterproof grade: Withstands exposure to sun and rain
• Sturdy and beautiful: Waterproof, dustproof, and shockproof
• Self-generating transmitter: No need for batteries, environmentally friendly
• Easy to use: Transmitter can be pressed around
• Customizable: 4-level volume adjustable with 58 song options
• Powerful: Volume range of 0-150dB
• Long-range: Transmission distance of about 180m without interference

Dimensions: Transmitter - 6.2 x 2cm, Receiver - 9 x 2.3cm