-- For oral or underarm use; -- Fast measure temperature in 15 seconds; -- Jumbo display; 4 digits shows, easy readable; -- Water resistant; -- Last temperature reading memory, with the virtue of beep sound reminded; -- Mercury - free, no harm to the human body; -- CE, RoHS approval More Product Features HS Code: 90251990 Trademark: TONZE Model NO.: DT-301B Standard: YZB/Yue 0487-2005 Origin: Shantou, Guangdong, China Packing: 1pc/box; 100boxes/ctn Company: Guangdong Tonze Electric Co., Ltd.