Etekcity via Amazon offers its Etekcity 630 Dual-Laser Infrared Temperature Gun for $29.99. Coupon code "THMT7OFF" cuts it to $22.99. Plus, Prime members bag free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, shipping adds $6.74.) That's $37 off list and the lowest total price we could find. It features a 16:1 distance spot ratio, 0.1 to 1.0 adjustable emissivity (most Etekcity models have 0.95 fixed), and readings from -58 to 1,076°F (-50 to 580°C). It includes a carrying case and 9-volt DC battery.