POWER IN YOUR POCKET: Hard-working lights for hard-working people, this Pen Light 4 Pack is the ultimate fusion of an abrasion-proof pocket flashlight with a touchscreen stylus. HANDHELD ILLUMINATION: Light up the room with each Pen Light's 100 Lumen LED bulb; featuring a 2-hour runtime, this EDC flashlight casts light up to 275 feet, perfect for medical work, camping, fishing and household use.