1, R20 standard type, R40 magnetic type, R40 standard type; RU11, RU04, RU14 standard types;
2, SE8 standard type, SE8 laser type, SE8 reflector type;
SE9 standard type, SE9 laser type, SE9 reflector type;
SE10 standard type, SE10 laser type;
SE11 standard type, SE11 laser type;
SE12 standard type, SE12 laser type.
