Fireproof housing: high temperature resistant VO grade, flame retardant ABS+PC material. Equipped with POS machine: support credit card payment, more simple and efficient. Compatibility: The charger comes with three wires (Micro USB and Type-C data cable), compatible with 99% of common mobile devices in the market. Flexible use: the body is small, light and easy to carry, does not take up space, can be used in different occasions. Unlimited withdrawal: Rent and advertising revenue arrive in real time and withdraw at any time. High-quality battery: The same battery supplier as Huawei and iPhone to ensure stable and reliable charging. Dual network coverage: 4G + WIFI for global networks. Anti-theft: The Hall anti-theft detection system is added at both ends of the charging treasure to effectively prevent people from returning the charging treasure without authorization. Explosion-proof damage: The use of electronic locks for strong reinforcement, to prevent human factors from violent damage, to avoid accidents such as explosions. Dedicated card change window: Easily replace the card without removing the enclosure circuit. Widely applicable scenes: suitable for bars, restaurants, KTV, amusement parks, movie theaters.