TPM-10 Panel meter Features: LCD display, internal panel, simple style, power supply by two button batteries, used for longer time. White or black color optional. Suitable for all kinds of refrigeration equipment, such as refrigeration cabinet,display cabinet and so on. Technical parameters: Temperature measuring range: -50~70℃ Resolution: 0.1(>-20℃),1 (<-20℃) Accuracy: +/-1 ℃ Power: two DC1.5V button batteries(LR44) Size: Product size: 48x28.5x16mm Installing size: 46.2x26.7mm