China DC6V/24V Automatic School Bell (UC4), Find details about China Bell, Bell and Rose Quartz Watches from DC6V/24V Automatic School Bell (UC4)
Model | voltage | Size | Diz(mm) |
UC4-55MM |
DC6V DC12V DC24V AC110V AC120V AC130V AC220V AC230V AC240V |
2 | 55 |
UC4-75MM | 3 | 75 | |
UC4-100MM | 4 | 100 | |
UC4-150MM | 6 | 150 | |
UC4-200MM | 8 | 200 | |
UC4-250MM | 10 | 250 | |
UC4-300MM | 12 | 300 |