The electronics upgrade kit comes with 80 coloured LEDs, which function just like the ones used in the actual screen prop. All of the circuit boards have been designed and assembled by me using professional manufactured circuit boards. The sound is very authentic and activates (along with the lights) as soon as you flip open the door. It automatically turns off when you close the door, just like in the show. Plus there are 3 individual sound selection buttons; 2 of the buttons activate extra sounds while the third button mutes all sound. Unfortunately, due to shipping restrictions the LiPo rechargeable battery can no longer be included. However, you can purchase the battery from Amazon (400mAh with Molex 51005 2.0 connector). The charging adapter is still included which shows you when the battery is fully charged. 

The finished upgraded tricorder is a perfect accessory for your cosplay outfit. It adds a level of authenticity to your overall look and will be the envy of the rest of your away team at any event.