Model Number : wdaw66 Feature : Air Switch Control,Can Be Connected Dish Washer Certification : CE Type of Motor : Induction Motor Brand Name : HAOYUNMA Origin : Mainland China Frequency (Hz) : 50/60HZ Rating (Rpm) : 4000r/min Voltage (V) : 220-240V Product parameters Power: 370W Grinding speed: 4000r / min Product volume: 1400ml Voltage: 220V Switch: Built-in air exchange Connection system: enamel lock Dishwasher: Can be connected Installation tips: 1. Install and use a meals waste disposer, and reserve power shops and switches within the kitchen renovation 2. When installing the air switch, it's best to make a niche within the sink table. If your sink has holes for the cleaning soap dispenser, you should use the holes of the soap dispenser directly to set up the waste disposer. If there's no hole, you must make another gap yourself 3. Check if the diameter of the sewer pipe in the home is 45mm 4. Check if the inside diameter of the sink in the house is 90mm