1) Display: VFD fluorescent, 12h. 2) Power and voltage: DC 12V, auto storage battery. 3) Working electric current: a) Static (unshown): ≤ 5mAh ; b) Doing (shown): ≤ 100mAh. 4) Timing: ≤ ±1.5s/d. 5) Working environment: a) Environment temperature: -40 - 80°C ; b) Comparatively humidity: ≤ 90%
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