1. Large LCD 2. Data hold3. With differential mode and record mode 4. USB port 5. Reset and data adjustment 6. Low battery indication and automatic power off7. 4 x AAA battery(Not Included)Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 25cm * 20cm * 4cm / 9.84inch * 7.87inch * 1.57inch Qty per Carton 20 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 42cm * 27cm / 16.54inch * 16.54inch * 10.63inch Loading Container 20GP: 559 cartons * 20 pcs = 11180 pcs 40HQ: 1299 cartons * 20 pcs = 25980 pcs