Robertshaw RS9110 Programmable Single-Stage Thermostat

Digital Wall Thermostat, Terminal Designations B, C, G, O, RC, RH, W, Y, Display Type Digital, Key Pad Lockout No, Humidification Control No, Dehumidification Control No, Temporary Program Override Yes, Temporary Temperature Hold Yes, Temperature Limiting No, Battery Backup Yes, Low Battery Indicator Yes, Dual Transformer Compatible Yes, Voltage 18 to 30V AC, Mounting Type Surface Mount, Mounting Location Junction Box, Wall, Includes Batteries