New 4-channel watch calling receiverBack

Model: ZJ-41H
simple watch receiver with rechargeable battery
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  The product concentrates the technology of wireless transportation, digital identification and microprocessor together. The receiver adopts the chipset that contains millions of learning codes, makes the products very safe and stable performance, as well as avoiding wrong or malicious calling.

The product uses removable rechargeable battery with long standby time and safe charging circuit.

The fashionable watch design makes it widely used for elderly or disable people, kitchen, emergency, factory, supermarket and so on. 

 

Features

  • Fashionable watch design
  • RF wireless technology
  • Million of learning codes pairing
  • Vibration/Buzzer prompt
  • Low-power indication
  • Built-in removable rechargeable battery
  • Used for elderly people, kitchen, emergency, factory...  
Technical Data

Working Frequency:433.92MHz

Working Voltage:DC3.7V rechargeable Li-ion battery

Standby Current:<8mA

Working Current:37mA±10mA (buzzer mode) / 75mA±10mA (vibration mode)

Receiving Sensitivity:-108dBm

Dimension:51*45*16mm (not include band)

Power Off Current:<100μA

Decoder Mode:learning code

Modulation:AM

Color:white / black