--- product_id: 636529521 title: "TRJ 2 PCS Thermostat Lock Box with Key, Large Thermostat Cover with Lock for Thermostat on Wall, AC Control Lock Box Cover with Key, Air Conditioner Lockbox Fits Thermostats 5\" H x 6.3\" W or Smaller" brand: "trj" price: "S$69" currency: SGD in_stock: true category: "Trj" url: https://www.desertcart.sg/products/636529521-trj-2-pcs-thermostat-lock-box-with-key-large-thermostat store_origin: SG region: Singapore --- # Tamper-proof lock secures thermostat Ventilated design maintains temp accuracy Durable, UV-resistant polycarbonate TRJ 2 PCS Thermostat Lock Box with Key, Large Thermostat Cover with Lock for Thermostat on Wall, AC Control Lock Box Cover with Key, Air Conditioner Lockbox Fits Thermostats 5" H x 6.3" W or Smaller **Brand:** trj **Price:** S$69 **Availability:** ✅ In Stock ## Summary > 🔐 Secure your climate, secure your peace of mind. ## Quick Answers - **What is this?** TRJ 2 PCS Thermostat Lock Box with Key, Large Thermostat Cover with Lock for Thermostat on Wall, AC Control Lock Box Cover with Key, Air Conditioner Lockbox Fits Thermostats 5" H x 6.3" W or Smaller by trj - **How much does it cost?** S$69 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/636529521-trj-2-pcs-thermostat-lock-box-with-key-large-thermostat) ## Best For - trj enthusiasts ## Why This Product - Trusted trj brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Fit:** Fits most thermostats up to 7"W x 4.7"H x 2.1"D — perfect for any professional space. - • **Hassle-Free Setup:** Easy installation without removing your thermostat; includes mounting hardware and keys. - • **Lock Down Control:** Robust locking mechanism keeps settings safe from unauthorized changes. - • **Breathe Easy Design:** Four-sided ventilation ensures your thermostat reads temps accurately, no interference. - • **Crystal Clear Protection:** Transparent, anti-yellowing PC material lets you monitor thermostat without compromise. ## Overview The TRJ 2 PCS Thermostat Lock Box offers a tamper-proof, transparent polycarbonate cover with secure key lock, designed to fit most thermostats up to 7"W x 4.7"H x 2.1"D. Its ventilated design maintains temperature accuracy while preventing unauthorized adjustments, making it ideal for homes, offices, rentals, and commercial spaces. Easy to install with included hardware, it combines durability, UV resistance, and clear visibility for professional-grade thermostat protection. ## Description desertcart.com: TRJ 2 PCS Thermostat Lock Box with Key, Large Thermostat Cover with Lock for Thermostat on Wall, AC Control Lock Box Cover with Key, Air Conditioner Lockbox Fits Thermostats 5" H x 6.3" W or Smaller : Tools & Home Improvement ## Features - 【Tamper-Proof Design】The TRJ thermostat lock box boasts a sturdy construction and a secure locking mechanism, designed to deter tampering attempts. The thermostat cover prevents unauthorized adjustments, safeguarding against tampering by children, tenants, or the public. - 【Crystal Clear Durable PC Material】The thermostat lock box crafted from robust and chemically resistant PC plastic. This thermostat cover with lock offers exceptional durability, UV resistance, and anti-yellowing properties. Enjoy a clear view of your thermostat settings at all times - 【Compatible with Various Thermostats】The thermostat cover designed to accommodate thermostats measuring 7"W x 4.7"H x 2.1"D or smaller. Whether your home, apartment, school, office, restaurant, hotel, church, factory, nursing home or other rental property, our air-conditioned thermostat lock boxes are everywhere to ensure optimal protection and safety - 【Maintains Temperature Accuracy】Featuring a four-sided ventilation design, this lock box for thermostat on wall prevents interference with temperature detection, ensuring the accurate performance of your thermostat without compromise - 【Easy Installation】This thermostat cover with lock can be installed without removing the thermostat; May need to mount thermostat off-center within thermostat lock box for access to battery door on select models ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D1VY4HZF | | Best Sellers Rank | #28,788 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #20 in Home Thermostat Accessories | | Brand Name | TRJ | | Color | Transparent | | Customer Reviews | 4.8 4.8 out of 5 stars (112) | | Finish Type | Transparent | | Included Components | Mounting Hardware,Thermostat Cover Guard, Key | | Item Type Name | TRJ 2 PCS thermostat cover with lock | | Manufacturer | TRJ | | Material | Polycarbonate | | Model Number | TRJ Thermostat Cover Box with Lock-2pcs | | Number of Items | 2 | | Number of Packs | 2 | | Part Number | TRJ thermostat cover with lock-02 | | Style | 2 PCS Key Lock | | Unit Count | 2 Count | | Warranty Description | 30 days | ## Product Details - **Brand:** TRJ - **Color:** Transparent - **Finish Type:** Transparent - **Material:** Polycarbonate - **Style:** 2 PCS Key Lock ## Images ![TRJ 2 PCS Thermostat Lock Box with Key, Large Thermostat Cover with Lock for Thermostat on Wall, AC Control Lock Box Cover with Key, Air Conditioner Lockbox Fits Thermostats 5" H x 6.3" W or Smaller - Image 1](https://m.media-amazon.com/images/I/71kGhLYUyML.jpg) ## Available Options This product comes in different **Style** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/636529521-trj-2-pcs-thermostat-lock-box-with-key-large-thermostat](https://www.desertcart.sg/products/636529521-trj-2-pcs-thermostat-lock-box-with-key-large-thermostat) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-28*