Retevis RT21 Walkie Talkies for Adults, 2 Way Radios with Earpiece 10 Pack | Portable FRS Two-Way Radios for School, Heavy Duty, IP54 Water-Resistant, Surveillance Headset, Emergency Alarm, Type C

Rugged for Daily Patrols; Designed with a shock-resistant; drop-resistant body to handle everyday campus use; durability tested with 100,000 PTT presses; IP54 Waterproof; temperature tests; and 1.2m 360° drops for dependable communication; no frequent broken radios

Enhanced Range Performance; Designed with an extended antenna for improved signal reception and transmission compared with standard FRS radios in similar environments; providing clearer communication indoors and outdoor; staff won’t miss critical notifications from far corners of the campus

Clear Audio in Busy Environments; 1W+ audio output, up to 100dB volume; and ≤5% distortion deliver loud; clear sound; keeping security and staff connected during school events and daily activities; no repeated shouting or garbled messages between school staff

Long-Lasting Battery; Built with a upgraded 1200mAh rechargeable lithium battery; it provides 12+ hours of frequent use and fully charges in approximately 3 hours; powers an entire school day’s patrols and events without urgent mid-day top-ups

Convenient Charging on the Go; Check battery status instantly with the side-key voice battery check; USB-C charging supports easy recharging with common chargers or power banks on the go; charge anywhere on campus without relying solely on the charging dock