MODLE:WT-5 rotatable solar energy thermometer solar energy power supply with standby battery;attractive appearance,thermometr head 180 rotating for an easy reading,switch between°C and °F,temperature memory,mainly applied to foodstuff and chemical industry power suppiy:solar  battery and lr44 battery temperature measuring range:-58°F~199°F accuracy:±1°C(-20~80°C)                ±2°C(-50~20°C,80~150°C),±3°C(120°C~150°C) resolution:0.1