Blue flashing light block with body/fixing collar integral LED 24V. range of product: Harmony XB4 – product or component type: complete body/light block assembly – device short name: ZB4 – fixing collar material: zamak – connections – terminals: screw clamp terminals : <= 2 x 1.5 mm² with cable end, screw clamp terminals : >= 1 x 0.22 mm² without cable end.