Nightstick Intrinsically Safe LED Penlight w/ Helmet Mount AAA White 125 Lumens IS Green/Black. It is ultra-compact and super slim with a powerful light output designed to illuminate very tight spaces. The tail-cap switch provides momentary or constant-on functionality. Includes the NS-HMC12 mounting clip. The clip can be attached to virtually any hard hat or helmet using a very powerful self-stick PSA adhesive with alcohol cleaning pad. Power comes from 2 AAA batteries (included). Specifications for Nightstick Intrinsically Safe LED Penlight w/ Helmet Mount: Manufacturer: Nightstick Flashlight Application: Outdoor Color: IS Green/Black Fabric/Material: Engineered Polymer Beam Color: White Light Output: 125 lumens Battery Quantity: 2 Bulb Type: LED Beam Distance: 55 m Length: 5.8 in Weight: 1.9 oz Weather Resistance: Dustproof Water Resistance Level: IP67 Battery Type: AAA Features of Nightstick Intrinsically Safe LED Penlight w/ Helmet Mount cULus - 913 listed Intrinsically Safe Permissible Momentary or constant-on flashlight Sharp focused beam for illuminating tight spaces Engineered polymer housing Included mounting clip Non-slip grip Single body switch Built-in pocket/belt clip Package Contents: Nightstick Intrinsically Safe LED Penlight w/ Helmet Mount Nightstick XPP-5411GX: Intrinsically Safe LED Penlight w/ Helmet Mount AAA White 125 Lumens IS Green/Black