Hign-concerned Chemical: None Fixed Type: Hook Use: DOOR Model: IBW3 Screen size: 1.54 inches language support: Mandarin Applicable age: 3-88 Product weight: 36g Additional features: Keyword Spotting Battery type: lithium battery interface type: Type-c Memory capacity: 0 packing list: PCBA + screen + speaker + battery item number: ESP32-S3 Appearance size: 88mm applicable population: mass population Battery capacity: 1000mAh : 1.5.6 Color: As Shown Material: PCB Package Contents: 1 * AI intelligent conversation 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.