Stun data can be stored on a USB drive as a simple text file readable by any PC. Auditory and visual warning during the stunning. 2. The stunner itself is made of stainless steel. Equipped with green LEDs (horizontally positioned) that indicate the presence of current at the electrodes. It is also equipped with an emergency button. 230 volt 50 Hz power supply. Model size: 41.5 x 36 x 91h cm; weighs 8.15 kg Meets and exceeds the following EMC standards: EU89/336CE; Emission: EN50081-1:1992, EN55011:1991 Class B Group 1; Exemption: EN50082-1:1992 CEI801-2:1991 4KV CD, 8KV AD, CEI801-3:1984 3V/m CEI801-4:1988 Feed line 1KV. Signal line .5KV