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    • Grandex Dimmer (PS155) Replace your wall switch for a smart dimmer. Turn on/off or choose the brightness of your lights. Be able to find your switch in the dark.


  • Adjust the brightness for all type of light bulbs, including LED, CFL and incadesent. (Light bulb must include dimmable on package)

  • Built in ambient light sensor for automatic on/off control of the PS Dimmer to save energy

  • Monitor and turn lights on/off from anywhere with Grandex App

  • Soft Glow LED, bright enough to find in the dark, but not be an eyesore

  • Check the energy usage of your lights


Signal (RF Frequency)2476.0MHz , 2477.5MHz, 2480.5MHz
RangeUp to 70m unobstructed, line of sight, between PS Dimmer and the controller or other PS devices
LoadMax 120V~/2.5A/60Hz/300W
Power Input120 VAC, 60 Hz
Required WiresNatural Wire
MountingStandard, single gang wall box
WiresBlack – Load, Green – Ground, Red – Live, White – Neutral
Status LED1 Dual-Color (Orange and Green)
Operating EnvironmentFor indoor use only
Operating Temperature Range0-40°C
Operating Humidity Range0-90% relative humidity non-condensing
Storage Condition-20 °C – 70 °C
Surge ResistanceUp to 500 VAC
Standby Power Consumption< 1 watt
Power Monitoring
  Max5A, 600W @ 120 VAC
  Min0.042A, 5W @ 120 VAC
Safety ApprovedETL+C-ETL
Dimensions107.0 X 46.0 X 45.4 mm