1. Easy to use, used as a refrigerator defrost timer. 2. Easy to replace. 3. Mechanical defrost timer. Color: white Material: copper Size: 67x52x39mm Package Contents: 4x Refrigerator Refrigeration Accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.