Product parameters:
Small size: Diameter 15mm thickness 5mm
Operating Frequency: Uhf (400-470MHZ random)
Use the intercom or special receiving equipment for the receiver
Work: NFM
Operating voltage: 2.2 ~ 3V (using a 1220 coin cell battery) not include the battery
Current: About 8mA
Working time: 2-5 hours (reference 1220 battery)
Working distance: 100-200 meters in open place (voltage at different distances vary)
Application: Sound monitoring, security.
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Founded in 2004, the main production: 2.4 G transmitter 5.8 G transmitter. 8 V 12 V lithium battery, all kinds of wireless camera, wireless baby monitor.