High Quality Wireless Table Pager Service Call Button System with Display Receiver Restaurant Cafe Auto 4S Shop Hospital
Technical Details
| Battery Volume: | 150mAh |
| Brand Name: | freequeue |
| Button Color: | red silver |
| Model Number: | HCM6900+HCM330 |
| Receiver sensitivity: | -114dBm |
| Watch battery: | 3.7V lithium battery |
| Watch color: | black |
| watch power out put: | DC 5V/0.1A |
| Watch Size: | 48*25*15 |
| Working Frequency: | 433.92MHZ |
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