7-bit green LED display Supports scale x 1 analog scale with up to 4x350 ohm load cells Certification: CPA 6000e, division up to 60,000 Options Bluetooth 4.0 (BLE), supports PDA, handheld terminal, computer, etc. Working power supply: 5000mAH rechargeable lithium explosion-proof battery; Installation Method Dustproof stainless steel housing: IP65