xThe oximeter with respiratory rate detection supports one key adjustment of display direction, which can be adjusted up and down, which is convenient for viewing data. xThe metal baking paint is more high-end, the panel shell adopts the metal baking process to show the grade the LED high brightness display screen is also clearly visible in the dark. xAll wrapped rubber anti-skid pad adopts full wrapped rubber anti-skid pad, which is comfortable to handle and not easy to fall off high-speed computing chip is used to ensure fast and accurate calculation results. Specifications: Blood oxygen saturation measurement range: 70 percent - 99 percent Pulse rate measurement range: 30bpm - 240bpm Oxygen saturation measurement accuracy: 70 percent - 99 percent , within the range of 2 percent , 70 percent is not defined Pulse rate measurement accuracy: 1bpm or 1 percent of the measured value, whichever is greater Oxygen saturation resolution: oxygen saturation 1 percent Power consumption: less than 30mA Automatic shutdown: when no finger is inserted, it will shut down automatically in 8 seconds Service temperature: 5 - 40 Storage humidity: 15 percent - 80 percent working, 10 percent - 80 percent storage Atmospheric pressure: 70kpa - 106kpa Battery model: 2 x 1.5V (2 AAA alkaline, without battery) ABS and PC material Product size: 5.6 x 3 x 2.9cm Bare weight: 28g Color box size: 8.7 x 6 x 3.8cm Weight of color box after packaging: 52g (without battery) Package Included: 1 x fingertip oximeter (PE bag), 1 x hanging rope, 1 x white card lining, 1 x English user manual, 1 x color box