The C-21P model security alarm controller features simple operation and a slim design. - Model: C-21P - Instruction Manual: Included - Functions: ON/OFF switch, alarm button - Color: White Brand new, unused. I opened it for the listing. Although it is a new, unused item, there are some minor scratches from the time of purchase. Please refrain from purchasing if you are concerned about this. I will strive for prompt and courteous service. Thank you for your understanding.