ProTac HL High Lumen Professional Tactical Light IPX7; waterproof to 1 meter for 30 minutes. 1 meter impact resistance tested. LED Solid State Power Regulation provides maximum light output throughout battery life. TEN-TAP™ programmable switch allows user to select one of three different programs. Anti-roll facecap. Removable pocket clip. Serialized for positive identification. Case Material: 6000 Series machined aircraft aluminum with anodized finish.. Dimensions/Weight: Length: 5.40 in.; Barrel Diameter: 1.0 in.; Head Diameter: 1.375 in. Tri-Lobe Diameter: 1.45 in. 5.6 oz with batteries. Lens: Tempered glass lens, o-ring sealed. On/Off: Multi-function, push-button tactical tailswitch facilitates one-handed operationof momentary, variable intensity or strobe mode.. TEN-TAP™ programmable switch allows user selection of one of three different programs: high/strobe/low (factory default), high only, or low/high.. Battery: Two 3V CR123A lithium batteries (included) 88040