Specification: Product name:1*30 Reflex Laser Sight Rifle Scope Material:aluminum alloy Waterproof:Yes Light color:Red and Green Power supply:CR2032 cell batteries (included) Size:14.2cm x 5.5cm x 5cm Weight:about 276g Features: Built-in Red and Green laser crosshairs (selected via control dial) Made from high quality aluminum alloy material, the casing of the flashlight is very firm and durable. After a special oxidizing procedure, it avoids sleeking and rubbing to make it more comfortable in your hand. With the water-proof design, it deals with a nasty wild environment easily. With a hanging string at the end of the flashlight,it is easy to take along. The lifespan of the LED is 10,000 hours, and the brightness output is very high, a good choice for outdoor activities. The rifle scope is an excellent choice for hunting big game. The scope is with professional shockproof system to prevent the normal recoil impact and vibration. This reflex laser sight rifle scope allows you to instantly shoot targets at two different distances. Package included: 1 x 1*30 Reflex Laser Sight Rifle Scope