DUAL GPS AND BEIDOU NAVIGATION: Weather forecast GPS navigation receiver, dual satellite location ensures more precise navigation.We believe a handheld GPS is your best choice for confidently navigating terrain far out of cell range. ACCURATE POSITIONING: Multifunctional compass, multi-function, it displays many important data such as altitude, rate of climb, compass, air pressure, time, temperature, humidity, etc. DURABLE AND PRACTICAL: Digital barometric altimeter, made from premium plastic and good quality plastic, sturdy and durable, working temperature is -20 to 60 can, can withstand harsh weather conditions, suitable for manylocations. EXCELLENT ENDURANCE: USB thermometer, supports USB charging, easy to use, large capacity battery can provide long standby and working time. EMERGENCY LIGHTING: Barometer, equipped with a mini flashlight on the top, can offer lighting in an emergency, also suitable for outdoor night activities. DUAL GPS AND BEIDOU NAVIGATION: Weather forecast GPS navigation receiver, dual satellite location ensures more precise navigation.We believe a handheld GPS is your best choice for confidently navigating terrain far out of cell range. ACCURATE POSITIONING: Multifunctional compass, multi-function, it displays many important data such as altitude, rate of climb, compass, air pressure, time, temperature, humidity, etc. DURABLE AND PRACTICAL: Digital barometric altimeter, made from premium plastic and good quality plastic, sturdy and durable, working temperature is -20 to 60 can, can withstand harsh weather conditions, suitable for manylocations. EXCELLENT ENDURANCE: USB thermometer, supports USB charging, easy to use, large capacity battery can provide long standby and working time. EMERGENCY LIGHTING: Barometer, equipped with a mini flashlight on the top, can offer lighting in an emergency, also suitable for outdoor night activities.