Partner Tech OT-100 Handheld,4.3" Touchscreen, WiFi, 128MB. The functionality and stylish appearance of the OT-100 is especially suited to the hospitality environment thanks to its compact size and lightweight design. With its 4.3" widescreen LCD and touch screen, 4 way direction sensor and IPS4 rating, the OT-100 will eliminate operators errors and improve customer service. Packed with comprehensive features and accessories, the OT-100 is a very affordable handheld terminal which will enhance any hospitality solution.