Lidar sensor 1st SDJQR01RR: the sensor vacuum cleaner is designed with lidar technology, which makes it easier to remove dust and dirt. Fine workmanship: this laser distance sensor is made of high-quality materials, which is and has a long service life. laser distance sensor lds for : our laser distance sensor enables you to accurately identify the target area in the dust and debris of your vacuum. Laser distance sensor lds for : our vacuum cleaner adopts high-definition laser distance sensor and lds synchronization technology to provide you with the best possible cleaning results. Easy installation ano operation: this replacement part is easy to install and remove. just unscrew the old one and replace it with a new one. Compatible models: For 1st For SDJQR01RR Colour:black-orange Material:ABS Package Contents: 1 x Laser-head 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.