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.
