Advantage：
1. Fixed in the bottom,easier to install terminal box and other instruments
2. Hinge parts: imade by industrial plastic PC,more elegant and flexible
3. The movable bracket: We've designed dovetail groove from inside to the outside of the four corners
4. Erection column:with the spin nut type, better fixedguide rail terminal box and wiring board
5. Temperature range: -40 - +80°C
6. ABS: Acrulonitrile Butadiene Styrene PC: Poly Carbonate