Gas Leak Tester: Multifunctional gas Tester that can help detect electrical appliances, gas, etc. at home, and is easy to use Material: Gas leak monitor is made of high quality material, durable Easy to Carry: Gas leak tester is small and light, can be carried with you, and can be used for testing indoors, outdoors, and on picnics Sound and Light Alarm: When Gas sniffer detects Leak gas, the screen will turn red and an alarm will be issued to remind you, practical Applicable: Applicable to all types of Leak gases, can accurately locate the leak place, and provide you with protection Size Chart: HT59:15.8cmx2.4cmx2.8cm/6.22inchx0.94inchx1.10inch HT60:17cmx2.3cmx2.8cm/6.69inchx0.91inchx1.10inch Package Includes: 1Gas Leak Tester(without battery) Note: Please allow slightly errors due to manual measurement and different monitors. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 629 hours Hope you have a pleasant shopping experience!