Set of 2 light bulbs. One was purchased in September 2024 and used for about 3 months. The other was purchased about 3-4 years ago. It works without any problems. Please understand that these are not new before purchasing. Among the many motion sensor light bulbs... Panasonic products are very reliable. (No outer box) Product: Panasonic LED light bulb E26 base, equivalent to 60W incandescent bulb, warm white (7.8W) General light bulb/motion sensor LDA8LGKUNS Body size: Width 5.6 x Height 11.8 cm Power consumption: 7.8W High-performance sensor "NaPiOn" is adopted, further improving sensor performance. Luminous flux (brightness of the lamp itself): Equivalent to 60W incandescent bulb, 810 lm Body weight (kg): 0.125 Approximately 28% more energy-efficient than conventional products. Equipped with a light-off notification function. Light color: Warm white, E26 base, rated life: 40,000 hours, not compatible with sealed fixtures, not compatible with outdoor fixtures, not compatible with dimmers, frequency (Hz): 50/60 shared Light distribution: Downward type Type: AC/AC-DC type