Specifications Transmitter Frequency 433 92MHz Input Power DC 12V 2A Standby Current 50mA Working Distance 1000m 3280 ft in open areas Size 234 x 143 x 31mm 9 2 x 5 6 x 1 2in Net Weight 302gPager Frequency 433 92MHz Prompting Mode Vibration Beep Flashing Standby Time 15 hours Battery Built in 200mAh lithium battery Remind Time 1 999s user defined Standby Current 12mA Receiving Sensitivity 108dBm Size 95 x 51 x 11mm 3 7 x 2 x 0 34in Net Weight 31g Type A TD175S 1 10B TD175 1 16C TD175P 1 30Plug EU Plug US Plug Features 1 Expandable System The transmitter keyboard includes multiple charging card slots allowing you to easily add more pagers as your business grows ensuring scalability 2 Compact Design The integrated transmitter keyboard and charging slot design make this paging system ideal for food trucks and small spaces enhancing space utilization 3 Customizable Alerts Featuring seven prompt modes including vibration beep and light you can tailor the alert type to suit different environments ensuring optimal customer experience in quiet or busy settings 4 Extended Range With a working distance of up to 1000m 3280 ft in open areas customers can wait comfortably in their cars without losing connection improving service efficiency 5 Long Battery Life The built in 200mAh lithium battery offers a standby period of approximately 15 hours making it reliable for all day use in high demand environments Package Included