HDS-TEK T6 LED Flashlights Ultra Bright Water Resistant 5 Modes Zoomable Tactical Torches (2 Piece) Aluminum alloy Skid-proof design, Bright, Blinding effect 5 Mode Flashlight: High/Medium/Low/Strobe/SOS Signal Very solid construction, Avoid high temperature, Skid-Proof design water resistan design Suitable for hunting, cycling, climbing, camping and outdoor activity etc. Battery Configuration: 1x 18650 3.6v/3.7v OR 3X AAA battery(Battery not included)