The PST3S-H2 from TY-Space Technology Ltd is a Star Tracker that is designed for Pico satellite platform. It has an attitude accuracy of 5 degrees (pointing) and 50 degrees (rolling). It has an update rate of greater than 10 Hz and a maximum acquisition rate of 2 seconds. This star tracker has a startup time of 5 sec and a timing accuracy 0.5 ms. It requires a supply voltage of 5 V and has a power consumption of 0.7 W. The star tracker supports the RS-422 and digital interface. It has a mass of 85g and measures 33 x 33 x 96 mm.