Get 3set VL53L0X Time of Flight sensors 940 nm.The Time of Flight Sensor is a compact module that accurately measures how long it takes for infrared light pulses to reach the obstacle and reflected back to the detector.The TOF sensor uses an I2C interface to send data to the microcontroller.Range of +/- 3% in best case to over +/- 10% under less optimal conditions. Fast response time: 50mscolour: purple + blackMaterial: plastic + metalSize: 25x12.2mmPackage Contents:3 set x Ranging Sensor ModuleOnly 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.