Fangrui Product Details Ld6001b Is A 60ghz Mmwave Radar Sensor Module That Can Sense The Status Of Indoor Personnel All Day Long Without Any Sense. Compared With Traditional Visual, Infrared And Other Sensing Methods, Mmwave Radar Is Not Affected By Light And Has Personal Privacy Protection Function. The Solution Uses Chips And Is Autonomous And Controllable. It Can Accurately Locate The Status Of Multiple People In The Room, Detect People In Static States Such As Reading And Sleeping, And Suppress Interference From Curtains And Green Plants. Due To Different Batches, There May Be Differences In Product Appearance, Color, And Printed Text, Which Not Affect The Use. Colour:green Material:pcb Package Contents: 1x Module Kit 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.