This gas leakage detector is used to detect halogen gas with high sensitivity. It can detect leakage in air-conditioning, freezing systems, etc. Features: Hand-held design for easy operation. Can detect all kinds of halogen refrigerant gas. Equipped with long flexible stainle probe for all application. LED display to show the relative leak size. With adjustable sensitivity and fast warm-up. Audio & visible leakage alarm indication and low battery indication. Compact size and light weight, easy to carry. Specifications: Brand Name: SMART SENSOR Color: Black Material: ABS Detection Gas: All Refrigerant Gas Sensitivity: Le than 0.5oz/yr Alarm Mode: sound alarm and light alarm Response Time: Instantaneous Warm-Up Time: le than 20 Seconds Continuous Operation Time: 9 hours(slightly vary with working condition) Power Supply: 3 * 1.5V AA Alkaline Batteries(NOT Included) Operating Temperature: 0~50 / 32~122 Storage Temperature: -10~60 / 14~140 Item Size: Approx. 15.8 * 6.3 * 3cm / 6.2 * 2.5 * 1.2in Item Weight: Approx. 173g / 6.1oz Package Size: Approx. 23.1 * 14 * 3cm / 9.1 * 5.5 * 1.2in Package Weight: Approx. 209g / 7.4oz Package List: 1 * Halogen Gas Detector 1 * User Manual(English) Your Meter Tools Store offers the very best quality in retail goods, at a price that can't be beat Nothing means more to us than bringing our customers a variety of great deals on all their favorite products. We have the latest in power tools , tools acceories , DIY tools and so on all at a great value, with the lowest prices guaranteed Our competitive factory to consumer busine model sets us apart from the rest. Operating to provide phenomenal discounts and daily deals to consumers world wide, with great integrity and customer service. 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders proceed timely after the