Yoei Electric Lunch box and other appliances are with Spring Singapore safety certification and Safety Mark,

Plugs are Singapore 3-pin version, no adaptor requried.

It is the only brand of electric lunch box in Singapore market which gains the safety recognition from Spring Singapore. And it is popularly sold in local supermarket and distribution channel as NTUC Fairprice and other outlets.

All other brands of electric lunch box have not gotten the safety approvement from Singapore government.

Note: Egg holder is optional purchase.