1. Material: ABS base and polycarbonate covers

2. Suitable to both electronoc and mechanical meters

3. Every family can respectively install the controlled leakage switch DZ47 or RCL fuse

4. Easy to install

5. Solid casing structure

6. Connecting holes in both upper and lower casing

7. Transparent windows, so that electricity consumption value can be directly observed

8. Suitable for industry, hotel and home use.