Braun Welch Allyn Ear Probe Hand-Held Digital Thermometer has pulse timer, memory recall and C/F conversion buttons. The Innovative PerfectTemp technology adjusts for variability in probe placement. The ExactTemp technology detects stability of the probe during measurement. A pre-warmed sensor helps support accurate measurements. It is designed with plastics compatible with common medical-grade cleaning products. It has memory recall button displays last measurement taken. The pre-warmed probe tip enhances patient comfort during reading. It come with large two-box cradle (holds 40 covers). It has 2 x 1.5 V type AA (alkaline) batteries. The large cradle can be wall mounted for added security when used with an optional security tether.