A low power 4 channel candle flicker unit. each of the 4 outputs produce a unique flickering pattern making this unit ideal for controlling 4 candles close to each other. The effects are extremely realistic Each output can power a standard 50mA dolls house bulb. Controller size 42mm x 28mm. This product was designed by us and is still currently manufactored by us. We are therefore able to offer full technical telephone/email support if required.