Variable Speed Trigger Allows For Increased Control Over The Flow Of Your AdhesiveVariable Speed Dial Allow For Setting Maximum And Minimum Flow RatesAnti - Drip Feature Automatically Retracts The Plunging Rod Once Trigger Is Released Preventing Excess Adhesive From Dripping OutQuick Connect Inter-Changeable Canister Trays Allows User To Quickly Change Between Canister SizesLed Light Assists Users With Visibility In Low Light Situations***AVAILABLE FOR LOCAL PICKUP ONLY***