Dimensions: 30mm x 45mm x 86mm 

Battery: 1 x 21700 ή 1 x 18650 ή 1 x 20700 detechable battery 

Coil Range: 0.1ohm - 3.5ohm

Charging indicator: The display shows the charging status

Charging: 5V/1.7A

Materials: Zinc alloy

Maximum output range: 18650 battery - 28.5A | 21700 battery 32A