Sonoff IP66 Waterproof Case Sonoff Waterproof Case is a high quality waterproof protective casing ideal for outdoor or environments susceptible to dust and/or liquids. It can be used with Sonoff Basic / RF or the Sonoff Pow PCBA board. The waterproof level of the case is IP66. It allows you to remotely control your outdoor lights or appliances - get it to control your Christmas tree lighting! Code WS026 ✗ Out-of-Stock Regular price €6.29 -€1.00 Price €5.29