Original
By certification 
Model Number: ZJ-41H (Black)
Brand Name: CallingSYS
Key Specifications/Special Features:
Product concentrates the technology of wireless transportation, digital identification and microprocessor togetherReceiver adopts chipset that contains millions of learning codes, makes products very safe and stable performance, as well as avoiding wrong or malicious callingProduct uses removable rechargeable battery with long standby time and safe charging circuitFashionable watch design makes it widely used for elderly or disable people, kitchen, emergency, factory, supermarketFeatures:1. Fashionable watch design2. RF wireless technology3. Million of learning codes pairing4. Vibration/buzzer prompt
5. Low-power indication
6. Built-in removable rechargeable battery
7. Used for elderly people, kitchen, emergency and factory
Technical data
5. Low-power indication
6. Built-in removable rechargeable battery
7. Used for elderly people, kitchen, emergency and factory
Technical data
| Working voltage | 3.7V DC rechargeable Li-ion battery |
| Working frequency | 433.92MHz |
| Standby current | <8mA |
| Working current | 37mA ±10mA (buzzer mode) 57mA ±10mA (vibration mode) |
| Power off current | <100μA |
| Receive sensitivity | -108dBm |
| Decoder mode | learning code |
| Modulation | AM |
| Colors | white/black |
| Dimensions | 51*45*16mm (not include band) |
Shipping Information:
- FOB Port: Hong Kong SAR
- Lead Time: 3 - 5 days
- Dimensions per Unit: 8.8 × 8.8 × 8.5 Centimeters
- Weight per Unit: 150 Grams
- Units per Export Carton: 100
- Export Carton Dimensions L/W/H: 44 × 39 × 29 Centimeters
- Export Carton Weight: 16 Kilograms
Main Export Markets:
- Asia
- Australasia
- Central/South America
- Eastern Europe
- Mid East/Africa
- North America
- Western Europe
