Improve the accuracy of your airsoft gun with the Leapers UTG Low Profile Removable Front Sight and Red Laser Combo. This awesome aluminum sight/laser combo has a low profile designed for easy installation on handguards. The laser features double coil springs for optimal windage & elevation adjustments. Take aim and fire! Removable Front Sight Tower Complete with A2 Square Post Assembly and Integral Combat Quality Tactical Red Laser Pressure Switch and Batteries Included Switch Operating Type: Push-button on/off Switch Laser Control & Adjustment: TS & 4 Points Laser Beam Movement: 80cm @ 10m Laser Type: Class 3R Laser Output Power: 2.5-3.1mW Laser Wavelength: 630-640nm Laser Beam Diameter: 15-20mm@15m Laser Operating Temperature: 14oF - 113oF Laser Battery Operating Time: 80mins Laser Range: 500m Laser Life Time: 6000hrs Pressure Switch Included: Yes Diameter: 0.55" Length: 2.64"