The LG-403 replaces the single-sided activation model LG-203 with an instinctive activation front strap actuation switch. The rugged polymer side panels are connected together with a durable rubber strap which provides added purchase while shooting. Whether the Mark II or III is used in plinking hunting or professional purposes the LG-403 adds a higher level of accuracy and faster target - Platform Lasergrips� - Material Polymer - Attachment Grip Replacement - Activation Location Front Activation - Sighting Factory Sighted at 50' - Master On/Off Switch Yes - Battery Type Two #2032 Batteries - Laser Battery Life Over Four Hours - Laser Output 5mW Red Laser - Activation Mode Pressure Activated - Laser Visibility Approx .5 Inch Diameter at 50 Feet - Wrench Size 0.028 - User Adjustable Windage and Elevation - Finish Polymer Housing with Rubber Overmold Activation Pad - Installation User Installed - Warranty Three Year Full Warranty - Color Black - Dot Size Approx. 0.50 at 50'