This item is suitable for aiming and positioning， hunting and spotting， search and rescue， etc. <br><br><strong>Features:</strong> <br>Ultra bright LED light. <br>Three mode switchable by mode selector. <br>Lightweight and compact design， 20mm standard rail. <br>Durable aluminum alloy housing. <br>Dual switch design: Switch 1: ON/OFF switch， when you press the button， it will be ON， press it again， it is turned off. Switch 2: Tail switch， continuous pressing is ON， hand release is turned off. <br><br><strong>Specifications:</strong> <br>Output power: 5mw <br>Wavelength: 532nm <br>Luminous flux: 200lm <br>Rail: 20mm <br>Housing material: Aluminum alloy <br>Item length: 9.7cm / 3.8in <br>Item weight: 127g / 4.5oz (battery NOT included) <br>Package size: 11 * 7 * 5cm / 4.3 * 2.8 * 2.0in <br>Package weight: 172g / 6.1oz <br><br>Note: Do not look directly into the lase beam， and do not point the lase beam at other person's eyes. <br><br><strong>Package List:</strong> <br>1 * LED Light <br>1 * Tail Switch <br>1 * Wrench <br>2 * Screw <br>1 * User Manual (English)