TORO Smart Connect Add On Device for Evolution Controllers 156T4042A 4 Unit Carton Height (in) 4 Unit Carton Height (in) 3 Red LED Service Indicator Maximum Continuous Operating Voltage (L G) 150 Maximum Continuous Operating Voltage (L L) 300 Maximum Continuous Operating Voltage (L N) 150 Maximum Continuous Operating Voltage (N G) 150 Maximum Surge Current Rating Per Mode 50 kA Nominal Discharge Current 20 kA RoHS Certification Yes Short Circuit Current Rating 200 kA Surge Protection LED Indicator Yes Voltage Protection Rating (L G) 1200 Voltage Protection Rating (L L) 1200 Voltage Protection Rating (L N) 700 Voltage Protection Rating (N G) 600 Wire Size Max #10 AWG Operating Temperature Max (°C) 80 Operating Temperature Max (°F) 176 Operating Temperature Min (°C) 40 Operating Temperature Min (°F) 40 Product Depth (in) 3 Simply plugging Smart Connect into the EVOLUTION Series controller allows it to communicate wirelessly with a number of add on devices providing a great opportunity to upgrade with a number of different water saving and time saving options