Auto-off function conserves battery life. Range 90°F – 111.9°F ±0.2° or 32°C – 43.9°C ±0.1°C depending upon scale selection. Reads in 10 seconds. Replaceable 1.55v (LR41) type battery provides up to 1,500 measurements. Specially designed housing with lanyard attachment for enhanced removal. Integral carry case.