SMART SENSOR Combustible Gas Detector Digital Combustible Gas Detection Instrument Hand-held Gas Leak Tester The product is based on the color or size of the main image of the product page. Features: 2.7" large LCD screen displays data clearly. ble and visible leakage alarm indication. Battery indicator. Temperature unit is °C/°F switchable. Push button to switch ON/OFF green backlight. 10 minutes auto power off function. Can detect natural gas, coal gas, marsh gas, and other combustible gas. Display real-time temperature. 14" long flexible probe can stretch out and draw back freely. Rechargeable li-ion battery included. Specifications: Material: ABS Input: 100~240VAC Output: 5VDC, 1A Measurement Range: 0~100%LEL Resolution: 0.1%LEL Operation Temperature: -10~50?, ?95%RH (Non gel) Resolution: 0.1? Power Supply: 1 * 3.7V, 1000mAh rechargeable li-ion battery Screen Size: 44 * 53mm / 1.73 * 2.09in Storage Box Size: 23.5 * 20.5 * 5cm / 9.25 * 8.07 * 1.97in Item Size: 66 * 30 * 158mm / 2.60 * 1.18 * 6.22in Item Weight: 345g / 12.17oz Package Weight: 787g / 27.76oz Package Size: 25.5 * 21 * 5.7cm / 10.04 * 8.27 * 2.24in Package List: 1 * Detector 1 * USB Cable 1 * Storage Box 2 * Plug 1 * Manual (English)