Smart Control Wireless Wall Light Switch App Remote Controlled Device 4 Button. Battery: Rechargeable lithium battery, 3.7V, 640mAh.
Operating temperature: Operating temperature:0°C - 40°C /Operating humidity: 20% - 80% RH. Product dimension: 76.876.8 11mm(with the base).This item is in the category "Consumer Electronics\Surveillance & Smart Home Electronics\Other Smart Home Electronics". The seller is "homestore758" and is located in this country: CN. This item can be shipped worldwide.