It is an electronic membrane feeder for nursing mosquitoes for egg production. it heats sheep blood between 98 and 100 degrees F, the mosquitoes penetrate a lab wax or intestine membrane to feed on blood. I can heat and monitor up to 4 feeder/heater heads and display the calibration temperature VS current measured temperature. it Requires about 20-30 minutes warm up period for thermal stability. It is currently in testing phase and successfully feeding mosquitoes, still have some "bugs" to work out such as feeder head dimensions, blood capacity and filling methods.