We can supply up to 20 000 pcs IRTs CE market , US brand. Please contact us for further information. Distance to spot (D:S) ratio: 8:1 Temperature Range: 91.4° to 109.4°F (33 to 43°C) Accuracy: +/- 0.2º Resolution: 0.1º (F or C) Units: C/F Auto power off: 15 seconds after trigger release Operating Temperature: 50º to 104ºF (14º to 40ºC) Weight: 2.43 oz. (69g) Power Source: Two AAA Alkaline batteries (included)