
Specification: Item Type: Wireless Doorbell Material: ABS Application: Home, Shop, Office, Doorbell or Pager Transmitter: Power Source: Self-generated Ambient Temperature: -20℃-+60℃ Transmission Distance: Open Space > 150M RF Frequency: 433 MHz Recipient: Power Supply: AC110-240V 50/60Hz Power Consumption: 0.25W Ring Tone: 58 Ring Volume: ≥90dB Ambient Temperature: -10℃-+45℃ 4-Level Volume Adjustment: The doorbell chime provides 58 melodies for your choice, 4-level adjustable volume, louder than 90dB, meet your different needs. Adjust the volume according to the individual to solve the volume problem. Long Range Wireless Doorbell: The transmission signal of wireless doorbells for home is up to 150m in an open area, long transmission distance, it can be safely applied to various scenarios, such as apartments, houses, offices and other places. Multi-Purpose: Not only a doorbell, but also can be a pager, suitable for babies sleeping alone, the elderly, pregnant women. The wireless