Module for Emergency Lights for LED lamps max 30w 220V, this module keeps the LED lamp lit up to 3 hours in case of Blackout (depending on the load and the battery used), It works with both Ni-Cd batteries, that Ni-MH, that to the Lead-acid battery, from 12Vdc 1Ah, 2Ah, or 4Ah . N.B: The batteries are excluded from the package, being material normally on the market. Suitable for Food: LED EMERGENCY LAMPS, LED PANELS, LED TUBES or LED BULBS. For Bulk orders < 100 pcs, price is 25 euro / pc . ask for info to Omnialed@libero.it, delivery time 3-5 gg days approx.