diff --git a/package.json b/package.json
index 1ec668e..1052cf1 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
   "homepage": "https://github.com/ded/bowser",
   "author": "Dustin Diaz <dustin@dustindiaz.com> (http://dustindiaz.com)",
   "main": "./src/bowser.js",
+  "typings": "./typings.d.ts",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/ded/bowser.git"
diff --git a/typings.d.ts b/typings.d.ts
new file mode 100644
index 0000000..485c4b0
--- /dev/null
+++ b/typings.d.ts
@@ -0,0 +1,51 @@
+export const name: string
+export const osversion: string
+export const version: string
+
+// grades
+export const a: boolean
+export const b: boolean
+export const c: boolean
+
+// engines
+export const android: boolean
+export const bada: boolean
+export const blackberry: boolean
+export const chrome: boolean
+export const firefox: boolean
+export const gecko: boolean
+export const ios: boolean
+export const msie: boolean
+export const msedge: boolean
+export const opera: boolean
+export const phantom: boolean
+export const safari: boolean
+export const sailfish: boolean
+export const seamonkey: boolean
+export const silk: boolean
+export const tizen: boolean
+export const webkit: boolean
+export const webos: boolean
+
+// operating systems
+export const chromeos: boolean
+export const iphone: boolean
+export const ipad: boolean
+export const ipod: boolean
+export const firefoxos: boolean
+export const linux: boolean
+export const mac: boolean
+export const touchpad: boolean
+export const windows: boolean
+export const windowsphone: boolean
+
+export function test(browserList: Flag[]): boolean
+
+export type Flag = "a" | "b" | "c" | "android" | "bada" | "blackberry"
+                 | "chrome" | "firefox" | "gecko" | "ios" | "msie"
+                 | "msedge" | "opera" | "phantom" | "safari"
+                 | "sailfish" | "seamonkey" | "silk" | "tizen"
+                 | "webkit" | "webos" | "chromeos" | "iphone"
+                 | "ipad" | "ipod" | "firefoxos" | "linux" | "mac"
+                 | "touchpad" | "windows" | "windowsphone"
+