Specifications Input voltage DC 12 50V not more than 50v over 2A Power input interface 5 5 2 1mm DC socket Playable music format only wave square music can be played Audio input Bluetooth connection to mobile phone mobile phone searches for the Bluetooth device M18 Product size approx 65 x 95mm 2 6 x 3 7 Diameter x H Arc length 30 70mm 1 2 2 8 actually it may be shorter or longer Power 0 100W With 2pcs spare MOSFET Temperature control functionPackage Included 1 x Set of Tesla CoilNote Power supplies are not included in the package It requires a 36V 2A power supply and a 12V 2A power supply with 5 5 2 1mm interface Precautions 1 Because the frequency is too high the heat of MOSFET will be relatively large Please pay attention to the temperature of the heat sink during use so as not to damage the components due to excessive temperature mainly music mode 2 Please not place flammable or explosive items within a range of 5m 16 4ft during use 3 Due to serious interference with metals Please not get close to the coils for electronic equipment such as mobile phones computers etc to avoid damage 4 Since the diameter of the secondary coil is extremely small try not to bump it so as to avoid the secondary coil winding being broken5 Please not modify the equipment without permission to avoid accidents 6 Not for illegal use 7 Electronic knowledge is highly recommended 8 It is only for viewing purposes if you don t know how to use it p