Baby alarm with a sensor that detects a baby's movements. - Brand: BabySmile - Model Name: E-201 - Product Name: Baby Alarm - Set Contents: Control unit, unit panel, strap - Instruction Manual: Included Used for about 3 months. There are no stains, and I think it's in a clean condition, but please understand that this is a used item before purchasing. *There are a few scratches on the box. Batteries are sold separately. Thank you for looking.