1. Display: the maximum display number is 3999, the character height is 14mm 2. Power supply: 1.5V (AAA) x 3 (not included) 3. Dimensions: 195x92x55mm 4. Weight: about 400g 5. With background light, automatic shutdownSpecification: Package Weight One Package Weight 0.56kgs / 1.24lb One Package Size 22cm * 13cm * 7cm / 8.66inch * 5.12inch * 2.76inch Qty per Carton 10 Carton Weight 7.00kgs / 15.43lb Carton Size 47cm * 40cm * 34cm / 18.5inch * 15.75inch * 13.39inch Loading Container 20GP: 417 cartons * 10 pcs = 4170 pcs40HQ: 968 cartons * 10 pcs = 9680 pcs