Key features Pushtype aiming light: pushtype switch for easy activation with a simple touch, enabling quick illumination when you need it. Nonadjustable brightness: fixed brightness provides consistent and reliable illumination for your compound bow without the need to adjust settings. 9mm interface compatibility: compatible with a 9mm interface, suitable for a wide range of compound bows. Durable and replaceable battery: built to be durable and longlasting, with a replaceable button battery for extended usage. Use scenarios Low light target practice: attach to your bow and use the push activation to illuminate the sight quickly during dawn or dusk practice sessions. Indoor archery ranges: rely on the fixed brightness for stable sight illumination when practicing on indoor ranges where lighting can vary. Field shooting with hands occupied: a quick press of the button provides immediate light without fumbling, helping you align the sight when your hands are occupied or cold.