Sofirn SP31 V3.0 Powerful Flashlight SST40 2000lm 18650 3000mah LED Flashlight USB C Rechargeable Light with Dual Switch

• Emitter:1*High-powered LED

• Battery Option: 1×18650 3000mah battery

• Working Voltage: 3.0V-4.2V

• Mode Operation: side e-switch

• USB Type-C charging

• Material: AL6061-T6 aluminium alloy

• Water Resistance: IP68 waterproof

• Size: 25*25.2*122mm

• Weight: 62g(without battery)

• Reverse polarity protection from improper battery installation.

• ATR technology: In High or Turbo mode, flashlight heats up easily. To prevent over-heating, SP31 V3 monitors the temperature and adjusts automatically to lower brightness levels when the temperature reaches 55 degrees.

• Low Voltage Warning: Low Voltage Warning: When the flashlight is powered on, the red indicator flashes for 5 seconds when the battery voltage is lower than 3.15V; while it keeps flashing when the battery voltage is lower than 3.0V, indicating that the remaining battery power is poor and to get it recharged or replaced in time.