The BN-LINK 48″x20.75″ Seedling Heat Mat Heating Pad + Digital Thermostat Controller is a high-quality product designed for indoor use. With a heat mat power of 105 watts and a thermostat power of 1000 watts, it provides the optimal temperature for vegetable seedlings to thrive. This set includes a thermostat for easy control and features a waterproof design for convenience. Made by the trusted brand BN-LINK, this heat mat is a reliable tool for those looking to improve their hydroponics setup and promote healthy plant growth.