The Box Top is easily screwed down and the box card/PCB is held in the place by magnets on top of the screws. The components are easily removed to access the recharge port on the switch PCB. The top/front box screw needs to be slightly shortened during installThe switch PCB consists of 2x Pixel Accent LEDs, 2x Momentary Tactile Switches, and a 1.3mm recharge port positioned under the card. The switch PCB pinout is below.