1PCS 3.5-5.5V 50Hz Infrared Ranging Module 50 Frames Optical Flow DToF Range Finding for UART/I2C fo PX4 protocol Direct Flight Time (dToF) Minimum measurement blind spot: 20mm No harm to human eyes Item name: ranging module Item model: TF-0850 Measurement range: 20-8000mm Measurement accuracy: ±2cm@ Less than 1m, ±3%@ equal 1m Measurement frequency: 50Hz Light source wavelength: 940nm Optical flow: 50 frames Working voltage: 3.5-5.5V Power dissipation: 35mA@5V Working temperature: 0-60°C Storage temperature: -20-80°C Anti environmental light range: 8000mm@350 LUX illuminance, 4000mm@100K Lux illuminance Size: 20x16.5x6.7mm Weight: about 1.8g Communication port: UART: 115200 / I2C: Maximum 400K Application range: Drone altitude determination Robot obstacle avoidance Proximity sensing Object detection during low-power system operation Due to different product batches, the words on the product may be different, which not affect the use. Color:Black Material:PC Package Contents: 1 x ranging module 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.