It contains: L1 probe and L2 probe + (instrument probe) Alternative current: 12 – 600V Direct current: 12 – 600V Voltage indication: LED Degree of protection: IP66 Polarity indication: LED Range of operating temperature: -10℃ to +55℃ Over voltage category: CAT III 600V Frequency range: 50 – 60Hz Maximum permissible operating time: 60sec It contains instructions manual