TF 18650 3400 USB Battery18650 USB Rechargeable Lithium Li ion battery It has no memory effect Supports up to 1000 recharges Protection against short circuit and overload Capacity 3400mAh 3. 7V Li ion 70 x 18. 5mm (length x diameter) 60 grams (pcs) Comes with micro USB Charging methods: micro USB or normal battery charger Micro USB input: 5V Micro USB comes with charging indicator red and green leds Micro USB charging time: 6 hours Packing: each battery in blister.

which has a wider viewing range and brighter dual-lamp lighting

and high brightness

signal in the great outdoors

With power-on power display and mode memory function

[Huge Performance] The output of the green beam is <5mW

due to thewater of 25 degree

Switch working mode:click to change modes(switching cycle)

small enough to hang on a keychain

Using high-quality lithium-ion batteries with protection plates can reduce the risk of certain operations

38mm (diameter x height)

Two modes: high grade 1350 lm (198 m) can be used for 1 hours 15 minutes

Green:70%-100%