הפסקת חשמל זיהוי אוטומטי תצוגה דיגיטלית עיפרון בדיקת חישה חכמה

Product information:
Display: LCD display
Sampling rate: 0.5 seconds
Alarm mode: analog bar, backlight, and buzzer
Automatic shutdown time: about 5 minutes
Working temperature and humidity: 0 ~ 40C,0~90%RH
Storage temperature and humidity:-20 ~ 60C,0 ~ 75% RH
Built-in power supply: 3.7V 400mA lithium battery
Working height: up to 2000 meters
Size: 66*28 * 23mm