Eliminator III LaserScope 4-16x50mm is one of the most advanced riflescopes on the planet. Its sleek, lightweight design is robust and ready for action, ranging and knocking down targets out to 1,200-plus yards. This Eliminator III comes with a Remote Cable Switch to activate the On/Range button from any position the shooter desires. The Remote Cable Switch is flexible, and has a length of 14-24 inches to accommodate various mounting positions. Push button activation is simple and repeatable. Included is a programming book, and there is a web site app to help get the precise programming numbers you need, based on your elevation, atmospheric condition, and cartridge of choice.