Dc-dc Boost Converter To Output High Voltage 300v-1200v 400v 900v 1000v Adjustable Psu Module Board The latest version Adding features :Support for multiple voltage DC output when 5V input Module size: about 25 x 48mm (W x L) The capacitor can be charged, but charging speed is somewhat slow, please note. As the module output module, it is not possible for the sensor. Corresponding Products Description: This module is used on security products, stability is fairly good colour:Blue Material:PC+metal Package Contents: 1 x High Voltage DC-DC Boost Converter 5V-12V to 300V-1200V Module Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.