Height measuring robot: real-time synchronization results, induction measurement, APP cloud storage, voice broadcast. Constantly growing, the height is immediately known. Height measurement has never been so simple: automatic body sensing measurement, more comfortable without pressing the scalp, clear voice broadcast and automatic recording of growth data Measure height:0-2.5m Installation Height:height higher than 20-100cm Compatible system: los/Android Communication method:Bluetooth Usage time: Standby for about 30 days and about 15 hours of game Battery capacity: 2000mAh Charging time: About 6 hours Charging interface:Type-C Product size:96x87x94mm Installation method: Paste/punch Color:White Material:ABS Package Contents: 1 * Height Measuring 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.