TC-500S is Hytera talkie TC-500S is Hytera launched a high-quality essence commercial walkie-talkie. The US military standard, 1.5 m drop resistance loss prevention, rugged. Unique sound chamber design, high-fidelity, clear voice quality. Equipped with large-capacity lithium battery, can provide high performance for a long time. The appearance of small, professional, ergonomic, comfortable grasp. VOX headset with a comfortable, TC-500S, for business users to provide high-quality communications experience. Unique sound chamber design uses sound chamber structure more in line with the principles of the front and rear acoustic cavity space design, the sound loud and clear; the continuation of steel speaker mesh blind holes designed to ensure the quality to enhance texture. Battery level indicator with different color LED battery indicator lights, only one button operation to allow you to determine the current power, in time to charge the battery. VOX VOX function support function, when you use the headset without PTT button operation to achieve smooth talk. High / low power switch support easy switching current power. It can be low power, small safe exit lights when the communication range, saving battery power. When the low-power can not make other walkie-talkie communication between you and distant, the fire safety exit lights, can be a key to switch to high power. Press the monitor function key to monitor activity monitor current channel, the function when receiving weak signals utmost advantage. CTCSS / CDCSS and tail to eliminate if your walkie-talkie set CTCSS or CDCSS, not only can avoid the interference caused by the same frequency, but can also eliminate the call ends or when the carrier disappears sounded "click" sound. Channel scanning automatic power saving Low battery alarm Busy channel lock timeout embargoed copy two computer programming cable squelch level selectable proof axial fans technical parameters Ex-mark: Eed II BT4 Protection class: IP54 Corrosion grade: WF1 Rated voltage: AC220 / 380 spindle speed: 1450r / min Scope for conveying flammable non-corrosive gases, ambient temperature must not exceed 60 ℃, double-sided safety exit lights, widely used in general factories, warehouses, offices, residential ventilation change Strong heating or cooling the air, may also be installed in series at intervals longer exhaust pipe to increase the pressure in the pipeline, do remove free fan motor. Corrosion axial fan (FT35-11 type), the use of anti-corrosion materials coated with epoxy paint processing, the motor uses special anti-corrosion motor used to transport corrosive gas. Explosion-proof axial fan (BT35-11 type), explosion-proof safety exit lights for gas transport flammable and explosive. Suitable for temperature class T1 ~ T4 environment; impeller machined from aluminum to prevent sparks during operation, the motor with explosion-proof motor.桂安安 full exit lights _ Super Fire (Certified) _ safety exit lights provided by the Dongguan City, South City Super Fire Department equipment operators. Dongguan Nancheng Super Fire Department equipment operators (www.jyfire.com) (www.dgchaoan.com) is Dongguan, fire fighting equipment leader, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Ultra Fire leadership with the staff warmly welcome all inquiries negotiations to create the ultra-Fire a better future.