Ramik Mouser RF Refillable Bait Station is child resistant. Includes 1 oz Mini-Bars. Contains 0.005% diphacinone. Not for use outdoors or in areas accessible to pets. Directions: Place one bait bar in bait station. Place bait station at highest point of activity along a wall or in corner where mice or their signs have been seen. Use 1 station per placement, spaced at 8-12 foot intervals. Maintain an uninterrupted supply of fresh bait for at least 15 days or until there are no longer signs of new feeding by house mice.