Non-Stick Coated Cooking Plates, InterchangeablePlate Function, Thermostat Control, Cool Exterior Touch, Indicator and Ready toCook Light, Lock-on Lid, Interchangeable Plates of Sandwich Maker, Non-StickSurface, Ideal for Fast Cleaning. ‘On’ and ‘Ready’ Indicators. Thermostatic Control  Sandwich Maker is what you need to enjoy tasty snacks easily and quickly.. The sandwich maker lets you know when it's heated up with its ready to cook light. And with the indicator light, it tells you when is the time to remove your sandwiches. The maker has a secure lock and lid system that ensures safe and perfect cooking. To minimize accidents during operation, it has built in overheat protection. The appliance is safe to touch even while it's on as its body is heat resistant. Therefore, it stays cool at all times.