Picometrix AD-40APDir Amplified Detector 40ps 1200-1650nm Laser Sensor. Comes with all shown in the protective case. The power supply is 5 volts 3 amps. Power supply comes with the adapters to plug into other countries outlets. This product retails for around ,900 so this is a far better alternative for the hobbyist and the lab setting alike. Due to the nature of the item, the item is being sold AS-IS and guaranteed condition. MAKE SURE THIS IS WHAT YOU WANT AND THAT IT WILL WORK FOR YOU BEFORE PURCHASING. FEEL FREE TO ASK QUESTIONS AND I WILL GET BACK TO YOU IN A TIMELY MATTER. NO RETURNS. THANKS FOR LOOKING AND BE SURE TO CHECK OUT MY OTHER ITEMS FOR SALE.