背负式追踪器
HQBG2715S(17g)
HQBG1815S(17-20g)
HQBG2715L(18-20g)
HQBG3621S(24g)
HQBG3621L(26-32g)
HQBG5037S(40g)
HQBG5037L(50g-65g)