英国采购需求：吸顶式筒灯，防水筒灯，可调式SAA认证筒灯，应急筒灯，LED筒灯，SAA认证筒灯，LED应急筒灯

I'm reaching out to clarify some details regarding the surface mounted emergency downlight we discussed. Specifically, I'd like to know whether the fitting in question is equipped with BESA fixings on its base. This feature is crucial for my installation plans, and I want to ensure compatibility before moving forward. Additionally, could you provide any further specifications or installation requirements related to this product? Understanding the technical aspects, including any specific electrical or mounting considerations, would be greatly appreciated. This information will help in making a well-informed decision about the procurement process. Thank you!