1. The package only have 2 channel relay,it don't include the Electric Linear Actuator Motor 2. It can't control the motor speed.it only can control the motor forward and reverse.<br><br>Different Ways to Control the WIFI Module. [APP Remote Control] You can control the connectted home appliance in Tuya or smart life APP anywhere and anytime.Such as light, electric kettle, electric rice cooker, electric curtain, etc. [RF433 Control] The WIFI Module support RF433 Frequency,and you can control the WIFI module by RF433mhz remote controller. [Mobile Phone Control] When you go outside or ,you could control the device in your smart phone by 2G/3G/4G Mobile Network or WIFI. (Note:The router need to onlinet.The WIFI module need to keep a close distance with the router and the wifi module need to online in Tuya Smart Life APP) [Voice Control] Compatible with and Assistant, you can use control to turn it on/off the connectted home appliances . [Share Control] One device can control by Multiple phones,you can share the wifi module with your family.So your family member also can control the module. [Group Control] one phone can control Multiple smart device. You can add the wifi module and other smart device in a group,and then turn on/off all smart device at the same time. Color:White Material:plastic<br><br>Package Contents: 1 * Controller<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.