COMER PIR Motion Activated Implicit Speakerfor home hotel

COMER Infrared Sensor Alarm voice promt for home hotel Brand Name:COMER Model Number:CM180 Usage:Infrared Sensor Alarm Detction Distance:within 5m Detetor Type:infrared sensor Power Supply Mode:3*AAA batteries Size:60mm*90mm*26.6mm Color:white micro SD card:Does not contain Voice change:by SD card Audio format:MP3 Audio output:8ohm/1W Induction way:bidirectional induction with direction recognition. Product Description Mini MP3 Sound Speaker Recordable Voice Announcer