Active current output: 0-22mA (minimum output is about 0.1mA), load 0-550Ω

Passive current output: 0-22mA (minimum output is about 0.1mA), external power supply 15-30 V, load 0-550Ω

Voltage output: 0V-12V (minimum output is about 0.05V)

24V output voltage: Drive current 35mA, do not use more than 35mA

Battery version lithium battery power supply, rechargeable; No battery version directly plug into the 5v charger for use

Battery undervoltage prompt. When the undervoltage indicator lights up, please shut down and charge it in time

If you do not use it for a long time, charge it at least once every 2 months to prevent battery damage

MICRO USB interface for power supply or charging

Use ring mirror: 0° C-50 °C without condensation