Melatonin red tubular light bulb e27 8 w, 150 lm, 220-240 v ac 50-60 hz, service life 25,000 h, 280° beam angle, energy class f, cri 80. operating temperature: -20°c ~ +40 °c. 0% blue light emissions, rest better. dimensions: ø30 × 102 mm. pack of 2 units