The CRONY RL-2R3920 Wireless Digital Door Chime offers reliable performance, stylish design, and superior energy efficiency for your home or office. Engineered with patented energy-saving technology, this smart doorbell delivers consistent operation with minimal power usage — lasting up to 1 year on 3 LR6 batteries and 2 years for the remote control.

Featuring a long working range of over 80 meters and IP44 waterproof protection, it ensures stable performance in any weather. With interference-resistant digital technology, you get a clear and consistent chime every time. Simple to install and built to last, CRONY makes home access smarter and more convenient.

Key Features:

• Model: RL-2R3920

• Type: Wireless digital door chime

• Power Source: 3×LR6 batteries (main unit); long-lasting remote battery life

• Range: 80+ meters (open area)

• Waterproof Rating: IP44 (for outdoor transmitter)

• Technology: Interference-resistant digital connection

• Energy Efficiency: Patented power-saving design

• Country of Origin: China

• Item Weight: 0.8kg

• Warranty: Not applicable

• Package Quantity: 1 unit