GWS1021 Features: * Propane level indicator * Low gas indication prevents unnecessary cylinder exchange and refills * Leak detection protects from gas emissions * Emergency flow limiter in the event of a major leak * Ideal for BBQ gas grills, boats and RV"s * For all propane appliances with type 1 connection * Easy to connect, no tools required * Conveniently sticks on the grill / stove panel Dimensions: * Overall dimensions: 2"" H x 8"" W x 8"" D