Fast & Accurate Testing - Accurate data can be read only 10 seconds. Pen type protective shrub: could hold the probe to avoid hurting people, attach the thermometer head to lengthen the handle; like the handle when putting the probe pass through the bush hole. Auto Power Off: After idle for 45 minutes, the thermometers will automatically shut off. Portable design: the thermometer has buckle behind the body, the thermometer can be buckled on the pocket or neck.