AC110V 220V Tesla Coil Artificial Lightning Touchable Music Rhythm Bluetooth Audio Input Science Experiment Teaching Module Features: 1. Support audio input and Bluetooth connection, compatible with a variety of devices, flexible and convenient to use 2.Convert the music signal into a high-voltage arc, generating synchronized artificial lightning, shocking audio-visual experience 3. Safe touch sensor area, the user can touch the lightning effect control, increase the fun of interaction 4. Using high-quality insulating materials and durable shell, to ensure the safety of use, prolong the service life 5. Suitable for music lovers, technology enthusiasts, educational institutions, etc., set of entertainment and education in one! Parameter: Input power: 60W (120W MAX) Lightning length: 0-10CM (adjustable by knob) Discharge frequency: 5-50hz10 (lightning mode) Input voltage: 48V (adapter wide voltage AC110-240V ) Cautions: 1, Tesla coil is not a stereo, the sound is issued by the lightning, it is recommended to play special music, using ordinary music will be noisy and ineffective. Music can be received after the receipt of the goods to scan the code to obtain, support online playback or download, music is MP3 format cell phone can be played directly. 2, lightning mode, touch the lightning is feeling a certain temperature, will not be too hot, will not be electrocuted; music mode discharge frequency is higher, directly touch the lightning will have obvious pain, due to different skin sensitivity, it is recommended to use the lead needle to contact the lightning or only ornamental. 3, when using the model discharge, do not place any conductive objects above the coil panel, a long time of electric shock can lead to shell deformation and coil damage. Package include Host *1 Power adapter *1 (optional) Accessories *2 Hard discharge needle *1 Spring Discharge Needle*1 _x000D_