Certified for guaranteed accuracy – a must-have for monitoring the oven temperature. Temperature zones Ovenproof Laboratory glass lens Stainless steel housing 2-way mounting: stand, hang 150 to 550°F/70 to 280°C Dual scale 2″ (5.1 cm) dial Housing Material: 304 stainless steel housing Dimensions: 2.5 W x 3.75 H x 1.75 D in (6.4 W x 9.5 H x 4.4 D cm)