12V20W KLS Lamp For Beckman Coulter Au400 Au480 Au600 Au640 Au680 Biochemical AnalyzerBuyer&;s instructionsLight bulb, lamp is fragile article, after receiving the goods, please investigate the bulb first, the lamp is in fine condition before signing for receipt. If you can&;t investigate at the spot, please check at the day of receipt of the goods, once you discover any problems, contact the shopkeeper in time! if there are different particular circumstances, it's best to converse and negotiate with customer support in advance correlationwho purchase items in our shop, if there are any problems after receiving the goods, please respond truthfully to us first, we can make corresponding strategies consistent with your definite situation! Every guest who involves our shop to spend is our friend, try and present you with fine service! So that you get the greatest enjoyable in online shopping!