The 290-TGL Laser Module is a compact, lightweight, frame-mounted, red pointing laser used for aiming. The 290-TGL Laser Module combines pinpoint accuracy and rapid target acquisition with intuitive operation in a form-fitting package weighing only 1.1 oz.? Ambidextrous On/Off switches? Compact size conforms to the shape of the P290? Windage & elevation adjustments Sig Sauer Sig 290-TGL Trigger Guard Laser 290-TGL