Lone worker check-in systems don’t work! Grace real-time immediate notification systems alert you within seconds of a panic or motion-sensing alarm. Wireless, rugged IP67, intrinsically safe, without subscription fees. Satisfies the employer’s responsibility regarding OSHA Section 5(a)(1) General Duty Clause and OSHA 1915.84(a) and 1915.84(a)(1) for workers working alone. Does your safety plan include protecting your lone workers?