Full featured high capacity digital dimmers suitable for filament lamps including incandescent, halogen and xenon. Effectively dims most low power LED fixtures that use 5mm or SMD LEDs (will not work with high flux LEDs with current regulated drivers). Stackable for unlimited power demand. May be controlled with multiple momentary switches. Also available in a version with two channels to control two separate lighting circuits from one compact device. This all new range of electronic dimmers contains all the features demanded by the marine, RV and motorcoach enthusiast. Enclosed in a sleek housing, it features efficient thermal management for maximum cooling and years of trouble-free use. Some features include: Soft-start function: Prolongs Bulb Filament Life Memory function that records last light-level setting so same brightness is resumed when turned on again Master/slave function that allows either dimmer to act as the master or the remote allowing unlimited power potential Multi Voltage Capable (9-33VDC) Supports unlimited numbers of momentary push-button switches Diagnostic indicator via color code LED (standby mode, load on, short circuit & over temperature warning Protections: transient voltage, short circuit and over temperature These dimmers are controlled by any “normally-open” single pole single throw momentary switches (any brand). Product Details Dimensions: 120mm (4.73″)x80mm (3.15″)x40mm (1.58″) Input Voltage Range: 9-33VDC Max. Wattage: 12V/200W, 24V/400W, 12V/250W, 24V/500W Dimming Voltage Range: 10-98% of input voltage Standby Current Draw: Complete Off: Yes No. of Switches: Unlimited (not supplied with dimmer) Dimmer Type: Remote/Digital/Push-Button Control Type: Momentary Push-Button Operating Temperature: -25 dg C to +45 dg C Housing: Marine Grade Aluminum dye anodized with ABS moulded end caps Classifications: EMC – Australian C Tick mark and CE mark Wire Size: See Chart Selectable Models ILSLD2040DC ILSLD2550DC