wt7071. Notice before start-up WT series controller has got the CE approvals as below LDV DN EN61010-1 EMC EN 55 022 1994A1: 1995A2: 1997,Model: WT707 Standard Specifications CPU MT6737 28nm Quad [email protected] System Andriod6.0 LCD screen HD 1280*800, 5 point touch screen, G+G , Orinal handwriting