1. Non contact precise measurement 2. The infrared thermometer is used to measure the surface temperature of objects. It is suitable for all kinds of high temperature, dangerous or non-contact hand-held objects 3. Degree C/ degree F selection 4. Temperature display resolution: 0.1 degree C/ degree F 5. Distance to Spot Size: 12:1 6. Temperature range: -58 - 788 degree F(-50 - 420 degree C) 7. Batteries: 1.5V AAA battery x 2 (Not included)Specification: Package Weight One Package Weight 0.27kgs / 0.58lb One Package Size 18cm * 14cm * 6cm / 7.09inch * 5.51inch * 2.36inch Qty per Carton 60 Carton Weight 15.50kgs / 34.17lb Carton Size 58cm * 42cm * 46cm / 22.83inch * 16.54inch * 18.11inch Loading Container 20GP: 237 cartons * 60 pcs = 14220 pcs 40HQ: 552 cartons * 60 pcs = 33120 pcs