diff --git a/types/simple-mask-money.d.ts b/types/simple-mask-money.d.ts
new file mode 100644
index 0000000..1cf846d
--- /dev/null
+++ b/types/simple-mask-money.d.ts
@@ -0,0 +1,26 @@
+interface ISimpleMaskMoneyArgs {
+  afterFormat: (e: string) => {}; 
+  allowNegative: boolean = false;  
+  beforeFormat: (e: string) => {};  
+  negativeSignAfter: boolean = false;
+  decimalSeparator: string = ',';
+  fixed: boolean = true;
+  fractionDigits: number = 2;
+  prefix: string;
+  suffix: string;
+  thousandsSeparator: string = '.';
+  cursor: 'start' | 'move' | 'end';
+}
+
+interface ISimpleMaskMoney {
+  public static args: ISimpleMaskMoneyArgs;
+  public static formatToCurrency(value: number, args?: ISimpleMaskMoneyArgs): string;
+  public static formatToMask(value: number, args?: ISimpleMaskMoneyArgs): string;
+  public static formatToNumber(value: string, args?: ISimpleMaskMoneyArgs): number;
+  public static setMask(element: string | HTMLInputElement, args?: ISimpleMaskMoneyArgs): HTMLInputElement;
+}
+
+declare module 'simple-mask-money' {
+  export = ISimpleMaskMoney;
+}
+