this lie detector machine can help to see through the white lie from the person who is tested. if you tell the truth, you can move away from it safely but if you tell a lie or give an unacceptable amount of half truths, you will receive an electric shock. specifications: gender: unisex material: abs battery: requires 3 x aa 1.5v (not included) item size: 16 * 16 * 8cm / 6.30 * 6.30 * 3.15in package size: 22.2 * 17 * 9.2cm / 8.74 * 6.69 * 3.62in package weight: 315g / 11.11oz how to play: 1. first, put your fingers in the polygraph's hand slot, with a finger to fix the finger on the polygraph. 2. press the "start" button, accompanied by music, polygraph into the preparation mode. 3. led indicator with the liar of the degree of lying gradually brightened. 4. when the five led lights all brightened, the liar will be punished by electric shock. notes: not suitable for children under 14 years of age to play.  chance of the game have certain shock effect, and electronic devices such as pacemakers have certain interference, sudden illness with heart, epilepsy, and the like sudden illness or those who reacted bly against electric shock do not play. package list: 1 * electric shock lie detector