1) Voltage 24V, current 0.2A, power about 4.8W, low power and high brightness
2) 1.6mm thick PCB light board with two 8.5mm mounting holes
3) There are terminals at both ends, one or more can be connected in series
4) When connecting in series, you need a printed part and two magnets with a length of 20*width of 6*thickness of 2mm