TMC-0240402 Electric Toilet Flush Controller is beautifully designed and includes one box of spare fuses. This controller utilizes a built in micro IC control system to allow two flush options; a half flush lasting 5 seconds to deliver 2 liter of water, and a full flush lasting 10 seconds to deliver 4 liter of water. This easy to use one touch controller panel is water resistant. This controller panel is design to be an extra level of protection for your electric toilet against current spikes. This controller is for 24Vdc.