The STN731RF is a non-programmable wireless PTAC thermostat offering simple and precise temperature control. It operates within a range of 32°F-99°F and maintains accuracy to ±1.8°F. The thermostat is powered by two AAA 1.5V alkaline batteries, while the receiver operates with 24VAC (18~30VAC), 50/60 Hz for hardwired systems. Compact in design, with dimensions of 4.7" x 3.8" x 1.1", the STN731RF ensures flexibility and convenience for efficient climate management.