shenzhen guangzhi technology co., ltd. |
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Power supply: | DC 5V ± 5%; |
Power supply current: | ≤ 40mA; |
Working environment: temperature: | 0 ℃ - 45 ℃; humidity: 10 ~ 90% RH; |
Keyboard keys: | F1, F2, F3, 0-9, confirm, clear, 15 keys in total; |
Size: | L134 * w 87mm * h66mm; |
Weight: | 0.5kg; |