If it's just the store manager's office, the length can be 30-40 cm, and the width can be about 12- 18 cm. You can adjust yourself according to your feelings. You can make a piece of paper about the same size, put it by the door to see if it fits, and then click it. The same is true of listing. The best way is to make a piece of paper and see how it feels with the scene, and finally decide the size.
Performance:
It is designed and produced according to the requirements of international GB16915.1-2003 and GB 169 15.2-2003, and all performance indexes meet the requirements of ce and FCC certification.
Working voltage: 50/60hz 180-240VAC (other voltages can be customized).
Static working power:1w.
Working temperature:-10℃-60℃.
Working humidity: 50℃ 10-95% RH.
Overall dimensions: major axis 2 10mm* minor axis 130mm* thickness 8mm (outside the wall) +35mm (inside the wall).
Shell material: aluminum alloy, stainless steel, zinc alloy? Tempered glass? Organic glass and other materials.