Touch Sensor ON/OFF Switch Stepless Dimmable Lights Switch Brightness Adjutment Dimmer Controller for Household _x000D_ The United States customers attention: _x000D_ When you select "Ship From United States", the following addresses will not provide delivery service: Hawaii, Alaska, Puerto Rico, Guam, APO, DPO, FPO , etc. Recommend you to choose "Ship From China".Thank you _x000D_ Clientes de Espaa atencin : _x000D_ Cuando selecciona "Enviar desde Espaa", el servicio de entrega no est disponible en los siguientes cdigos postales: _x000D_ 35000-35999 _x000D_ 38000-38999 _x000D_ Se recomienda que elija "Enviar desde China". Gracias! ! ! _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ DC 5V Stepless USB Manual Knob LED Dimmer Switch for LED Strip Light 1 Channel Brightness Adjustment Controller _x000D_ Feature: _x000D_ Uses: LED light switch can be used for LED light bar. LED light bead brightness adjustment. Switch with knob. Brightness can be adjusted arbitrarily. Suitable for 5V LED light bar. _x000D_ It is mainly used to adjust single color LED lighting/light bar, single color 5050 3528 light bar. LED lamps that are not suitable for multi-color mixing (such as RGB strips/lamps, desk lamps, fans, energy-saving lamps, bulbs, etc.) cannot adjust motors, etc. _x000D_ _x000D_ Specification: _x000D_ Working temperature: -20-60 _x000D_ Supply voltage: DC5V _x000D_ Output: 1-way _x000D_ Output current: