JSN-SR04T-V3.0 ultrasonic ranging module can provide 21cm-600cm non-contact distance sensing function, ranging accuracy can reach 3mmThis product adopts industrial-grade integrated ultrasonic probe design, waterproof type, can be used in humid and harsh environments, and has stable performance.JSN-SR04T-V3.0 is updated to version 3.0, which solves the problem of blind spot data jump and improves the stability of the product.The module consists of an ultrasonic sensor and a control circuit including a transceiver, and is compatible with all MCUs on the market.DC3.0-5.5V supply range is wide, low consumption, 6 working modes for customers to chooseColour:blueMaterial:PCBPackage Contents:2 x Ultrasonic Distance Measuring 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.