Parameters: External dimensions: 48.15mm x 30.05mm x 42.10mm Resolution: 240*240 Response time: 1s Viewing angle: Full viewing angle (178) Pixels: 240*240 Display brightness: 350cd/㎡ Screen type: IPS screen Screen size: 1.54 inches Contrast ratio: 1000:1 Dot pitch 0.0099mm Maximum thickness 30.05mm Input voltage: 5V Refresh rate: 60Hz Operating temperature: -20°C~60°C Battery capacity: 500mA Features Smart home control Semantic recognition Preference learning Real-person voice Voice control Access to large AI models Habit memory Voice cloning Voiceprint recognition Color: Green Material: plastic Note: English version Package Contents: 1 x AI 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.