A. Handheld needle detector. - Features: - All - metal detection: This metal detection needle detector is capable of detecting various metals, including gold, silver, coins, etc. - High sensitivity: It is designed with relatively high sensitivity, enabling relatively precise and accurate detection. - 360 - degree detection: This needle detector adopts a 360 - degree detection design, which helps reduce the chance of missing metals. - Distance alarm: When the needle detector gets close to a metal, it will emit a gradually louder sound. - Audio and vibration indication: When a metal is detected, this needle - type gold detector will provide an indication through audio and vibration. - Specification parameters: - Distance alarm: Supported - 360 - degree detection: Supported - Detection objects: Metals such as gold, silver, aluminum, copper, and iron - Detection indication: Audio and vibration indication - Operating frequency: 12 kHz - Power supply: 9 - volt battery (not included) - Package size: Approximately 25 * 6.5 * 6 cm / 9.84 * 2.56 * 2.36 inches - Package weight: 246 grams - Model number: Needle - type metal detector - Operating frequency: 12 kHz - Package weight: 246 grams - Type 1: Needle - type gold detector - Package list: - 1 needle detector - 1 needle detector holster - 1 stretchable hanging cord - 1 user manual B. Precautions: - The parts above the switch are not waterproof. So, it is recommended that this product not be used directly underwater, as its accuracy and functionality may be affected. - We are an international seller, and your order will be shipped from abroad. Due to the current delays in global postal delivery, depending on your shipping address, it may take at least 14 working days for the delivery.