Lock Blok this reliable timer comes with

this reliable timer comes with an AAA battery included

It features a large display visible from across the room and can count up or down

it securely attaches to doors

Made in the U

Dimensions: 3

Lock Blok this reliable timer comes withThe Lock Blok is a classroom door accessory that enables easy, quiet door access without key requirements. Using durable adhesive, it securely attaches to doors, minimizing disruptions during class and cushioning door movement. When the Lock Blok slide is moved away from the edge of the door, it allows the door to close completely and the latch to engage without constant key access, and provides long lasting, reliable use with simple installation.