Color: Black, golden
Normal working voltage: 3. 6 V - 9 V9 (general four alkaline dry cell and 7.5V lithium battery)
Static power consumption: <45uA
Dynamic power consumption: <200mA
Battery life: 10 months or more (4 5# genuine alkaline battery)
Low voltage indication: 4.2V (still more than 300 times after the alarm).
Reading distance: >10mm
Working temperature: - 20 C - 60 C
Working humidity: less than 80%
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