Crimson Trace Lightguard for GLOCK Full-Size and Compact: * Platform: Lightguard * Attachment: trigger guard attachment * Activation location: front activation * Material: polymer * Installation: user installed * Light battery life: 2 hours * Battery type: 1 CR2 lithium battery * Master on/off switch: yes * Warranty: 3-year full warranty * Light specs: 100 lumen LED * Model# CRMLTG736