Imitation humanoid bipedal design, swinging forward, very interesting Mixly and XR Scratch dual graphical programming, drag-and-drop programming software Infrared intelligent obstacle avoidance, perceive obstacles and make avoidance logic Ultrasonic obstacle avoidance and ranging, sensing the distance of obstacles, or making avoidance logic Equipped with a sound module, it can sense the sound of the outside world and make feedback actions.Due to different batches, there may be differences in the appearance, color, and printing of the product, which does not affect its use Model: Happy bot biped robot Applicable stage: primary school stage 1-6 Controller: for motherboard Programming software: Graphical programming (MakeCode) https: //microbit./h-CN/code/ Control : APP, applet, infrared remote control Endurance: 0.5/h Communication interface: USB, Bluetooth, infrared Input: infrared sensor, ultrasonic sensor, touch sensor, photosensitive sensor, sound sensor, geomagnetic sensor, temperature sensor Output: buzzer RGBLED, two motor interfaces, OLED, car lights Output: joint steering gear, buzzer, LED headlight, RGB colored light, 5x5 LED dot matrix Power supply: 3.7V lithium battery (USB charging) Material: aluminum alloy colour: blue Package Contents: 1 x Robot 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.