News

Safety Notice: KT-LED45HID-EX39-850-D & KT-LED54HID-EX39-850-DJune 18th, 2021

Keystone has identified a rare manufacturing defect that can potentially lead to a hazardous condition where the lamp driver/base can separate from the LED array, thereby posing a risk of the LED array portion of the lamp falling. The products were known to be sold from March 2016 through August 2017.

Keystone Launches Essential Series Screw-in LED Bulb LineJanuary 8th, 2020

Philadelphia, PA: January 8th 2020 — Keystone Technologies, a leading manufacturer of quality lighting solutions for 75 years, launches the Essential Series LED Bulb line. These general purpose screw-in LED bulbs are ideal for retrofit and new construction applications, replacing incandescent and halogen bulbs across many common building types, including residential, retail, museums, hospitality, dining, […]

Keystone Technologies Introduces Performance Series PAR LampsSeptember 20th, 2019

NORTH WALES, PA: September 20th , 2019 – Keystone Technologies, a leading manufacturer of quality driven lighting solutions for over 70 years, introduces Performance Series PAR Lamps. These lamps are ideal for retrofit and new construction applications, replacing high powered halogen lamps. Performance Series PAR Lamps are designed for use in commercial applications with universal […]

Keystone Technologies Introduces Performance Series A LampsSeptember 5th, 2019

NORTH WALES, PA: September 5th , 2019 – Keystone Technologies, a leading manufacturer of quality driven lighting solutions for over 70 years, introduces Performance Series A Lamps. These LED A Lamps are ideal for retrofit and new construction applications, replacing high powered incandescent bulbs and lower wattage HID lamps. Performance Series A Lamps are designed […]