Interphone INTERPHOLINK, 11811" (300 m), Black, IP67, 15 h, 1.94 oz (55 g), 7.4" (188 mm) Interphone INTERPHOLINK. Maximum range: 11811" (300 m). Product color: Black, International Protection (IP) code: IP67. Talk time: 15 h. Weight: 1.94 oz (55 g), Package width: 7.4" (188 mm), Package depth: 2.95" (75 mm). Quantity per pack: 1 pc(s)