The Streamlight Stinger Smart Charger Base (75105) + DC Adapter Power Cord Combo is a rechargeable flashlight that operates on battery power. It features a gray color and is made of plastic. The smart charger base allows for convenient recharging, making it a versatile and practical choice for camping and hiking activities. The DC adapter power cord also provides flexibility for powering the flashlight in various locations. Overall, this flashlight is a reliable and efficient option for outdoor use.