Electrical data operating voltage: 8-60 VDC (5 VDC for USB Type-C)Power Consumption at 12V Operating, WiFi On, 100% illumination: 3.2 W Operating, WiFi On, 50% illumination: 2.4 W Operating, WiFi On, 0% illumination: 1.9 W Off, logger still active: 1.5 W Communication: Wi-Fi (IEEE 802.11b/g/n 2.4 GHz)Bluetooth LE and Bluetooth Mesh Zigbee 3.0 (IEEE 802.15.4)RS-485Touch Screen 4 in. (480 x 480p)Leveling Range and Accuracy: ±89°, 0.1°general data operating temperature: -4℉ to 158℉ (-20℃ to 70℃)Operating Humidity: 0% to 95% RH Operating Altitude: Less than 5000m above sea level Installation: Flush mount or place on a table Dimensions: 4.17 x 4.17 x 1.05 in (106 x 106 x 26.6 mm)Weight: 0.28 lb. (128g)Certification: CE, FCC, RoHS, TSCA, BQB, IC-ID Warranty: 2 years Proven, Trusted Choice for Customers Worldwide Hear firsthand from satisfied users about the 1-Core's incredible reliability and convenience. Energy efficiency at your fingertips Dedicated to off-gridders, R energy 1-Core helps save money and reduce your carbon footprint by tracking energy generation and consumption. Need leveling for more comfort -1Core assists you in adjusting your RV's position to achieve optimal stability, ensuring a comfortable and safe experience.