Roule RL-2R3921N Energy Saving Wireless Remote Doorbell, Ip44 Waterproof and Dustproof Standards, 8 Chimes.

Description

Technical Specifications: Indoor Unit Voltage: DC 4.5V(1.5V/AA/LR*3) Standby Current: < 0.5mA Working Current: < 300mA Outline Size: 8.4 in(W) x 6 in(H) x 0.7 in(D) Frequency: 433.92MHz ± 250KHz Working Distance: 260 feet Outdoor Unit: Power Supply: CR2032, 3.0V Standby Current: < 2uA Working Current: <10mA Transmission Power: <10dB Transmission Time: 2.2 seconds Working Frequency: 433.92MHz ± 250KHz Working Distance: 260 feet Package Contents: ★ 2 x Indoor ringing unit ★ 1 x Outdoor doorbell unit ★ User manual