WHAT THE PACKAGE INCLUDES: The package includes a user manual, a tire gauge, a clip-on air chuck, a 1/4" quick-connect male fitting, a twist-on air chuck, a presta valve, a sealing tape, 2 AAA batteries, 4 silicone sealing plugs and 4 valve caps. Specially prepared accessories of VacLife tire pressure gauge can meet a wide range of needs. This product is insured by AIG. Just rest assurproperly shielded. PREMIUM MATERIAL: This versatile inflator pressure gauge is made of premium hard zinc alloy and brass material for improving durability and performance. Additionally, coupled with the sealing system which features built-in gland threads and leak-proof flow valves for better reducing reading error, this product could act as a practical tire gauge to cover daily pressure measuring or inflating needs of a variety of vehicles. EASY OPERATION: The tire pressure gauge with inflator is a very excellent air compressor accessory due to its easy operation. When connected with the tire valve, the tire gauge will automatically read the tire pressure. When the actual tire pressure is higher (≥2PSI) than the desired one, simply press the air bleeder valve or the thumb trigger to deflate. This tire gauge with its easy operation is a good tool for men and women. MULTIPLE FUNCTIONS: This portable digital air pressure gauge can practically function as a tire gauge for tire pressure measurement, a tire inflator when connected with the air compressor, or a tire deflator when simply connected with the tire valve. It is ideal for taking care of various tire pressure needs of cars, SUVs, trunks and more while ensuring no unnecessary tool-changing hassles during the process, significantly saving both time and labor. GREAT CONVENIENCE: VacLife air pressure gauge is a user-friendly air compressor accessory. It can measure tire pressure anytime and anywhere with its portable design, which helps to keep proper tire pressure to reduce the risk of tire burst and crash. Besides, there are 4 units (PSI, Bar, Kpa, kg/c㎡) to choose from. The measuring range covers from 0 to 250PSI which makes it suitable for different vehicles. Its large digital display with LCD screen also facilitates the reading even at night.