Adjustable pitch - simply tighten or loosen the screw to work out your dogs frequency. Start Training an Obedient Dog in 2 Easy Steps 1. Adjust Frequency by turning screw rod inward or outward until you find what your dog best responds to 2. Once you have your desired frequency, adjust the locking nut clockwise, Until it is firmly locked in place. This will prevent the accidental unscrewing Product Specifications: Color: Chrome Silver Weight: 12g Material: Stainless steel Length: 5.5cm (approx.) Note: The dog whistle is in 2 parts. Package Include : 2PCS Dog Whistle Speak Before You Whistle After you've chosen your whistle, the next step is to train your dog. If your dog hasn't been trained to respond to your voice commands, he won't be able to respond to a whistle since there's nothing to associate the whistle with. He'll need to learn the recall command of "here" or "come" as well as "sit." When your dog has mastered those two actions at your prompting, you're ready to add a whistle into the mix. 2 Pcs Set Adjustable Dog Obedience Stop Barking Hot Pet Dog Training Whistle StoreMy Items for SaleFeedbackContact UsAdd to FavoritesSign up to Newsletter Adjustable pitch - simply tighten or loosen the screw to work out your dogs frequency. Start Training an Obedient Dog in 2 Easy Steps 1. Adjust Frequency by turning screw rod inward or outward until you find what your dog best responds to 2. Once you have your desired frequency, adjust the locking nut clockwise, Until it is firmly locked in place. This will prevent the accidental unscrewing Product Specifications: Color: Chrome Silver Weight: 12g Material: Stainless steel Length: 5.5cm (approx.) Note: The dog whistle is in 2 parts. Package Include : 2PCS Dog Whistle Speak Before You Whistle After you've chosen your whistle, the next step is to train your dog. If your dog hasn't been trained to respond to your voice commands, he won't be able to respond to a whistle since there's nothing to associate the whistle with. He'll need to learn the recall command of "here" or "come" as well as "sit." When your dog has mastered those two actions at your prompting, you're ready to add a whistle into the mix. More Products in our store 10 Pcs Pure Raspberry Ketone Lean 1200 mg Advanced Diet Fat Weight Loss Capsules $49.75 ADD To Cart Beauty 360 Dual Sided Designer Board Nail File Coarse/Extra Coarse 10-Pack $12.65 ADD To Cart Microblading Tattoo Eyebrow Ink Pen Long Lasting Eye Brow Pencil 3D Fork Makeup $5.98 ADD To Cart Pure Raspberry Ketone Lean 1200 mg Advanced Diet Fat Weight Loss Supplement $12.75 ADD To Cart Beauty 360 Dual Sided Designer Board Nail File Coarse/Extra Coarse 20-Pack $15.99 ADD To Cart 2 Pcs Venicare Professional Single Speeds Up Dental Teeth Whitening LED Light $11.75 ADD To Cart MaritzMayer Raspberry Ketone Lean Advanced Weight Loss Supplement 60 Capsules 8X $49.75 ADD To Cart 4X Pure Raspberry Ketone Lean 1200 mg Diet Weight Fat Loss capsules $23.75 ADD To Cart 26-In-1 Mini USB 2.0 High-Speed Black Memory Card Reader for CF XD SD MS SDHC $8.75 ADD To Cart 5 Bottles Raspberry Ketone Lean Advanced Weight Loss Supplement MaritzMayer $29.75 ADD To Cart 3X Pure Raspberry Ketone Lean Advanced 1200 mg Diet Weight Fat Loss capsules $21.99 ADD To Cart MaritzMayer Raspberry Ketone Lean Advanced Weight Loss Supplement 60 Capsules 8X $39.99 ADD To Cart New Products 6 PK Discoloration Pure Vitamin E Moisturizing Stick 1.7 G Antioxidant Lip Balm $8.99 ADD To Cart 2 pack Pore Shrinkage Remove Blackhead Whitehead Acne Deep Cleansing Whitening $11.99 ADD To Cart 2 Pcs Ultimate Strength Tooth Bleaching Gel Mint Flavor Teeth Whitening Pen $10.75 ADD To Cart Nano SIM Card Adapter to Micro Standard Converter Set Fit iPhone 5 4S 4 Black 10 $7.75 ADD To Cart Beauty 360 Dual Sided Designer Board Nail File Coarse/Extra Coarse 20-Pack $15.99 ADD To Cart Beauty 360 Dual Sided Designer Board Nail File Coarse/Extra Coarse 10-Pack $12.65 ADD To Cart MaritzMayer Raspberry Ketone Lean Advanced Weight Loss Supplement 60 Capsules 8X $49.75 ADD To Cart Qiansoto Papaya Chest Lift Up Firm Breast Enlargement Massage Essential Oil 40ml $12.75 ADD To Cart Nano SIM Card Adapter Converter to Micro Standard Set For any phone with sim 10X $5.75 ADD To Cart 7in1 Foundation Base Cream Face Primer Matte Oil Control Smooth Fine Lines $8.99 ADD To Cart Matte Liquid Lipstick Makeup Set, Matte Velvety Long-Lasting Wear Non-Stick $6.89 ADD To Cart 2 PK RtopR Acne Spots Anti Scar Stretch Marks Remover Skin Repair Face Cream 20g $12.75 ADD To Cart Payment Shipping Returns Payment (description exceeds maximum possible length)